Home / 657,869.60-986,804.40-159,233.60

Finding the Fourth Proportional to 657,869.60, 986,804.40 and 159,233.60

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Solution

The fourth proportional to 657,869.60, 986,804.40 and 159,233.60 is: 238,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,869.60 : 986,804.40 = 159,233.60 : x
  2. Step 2: Convert to fraction form
    657,869.60/986,804.40 = 159,233.60/x
  3. Step 3: Cross multiply
    657,869.60x = 986,804.40 × 159,233.60
  4. Step 4: Simplify right side
    657,869.60x = 157,132,417,107.84
  5. Step 5: Solve for x
    x = 157,132,417,107.84/657,869.60
  6. Step 6: Final answer
    x = 238,850.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.