Home / 657,813.10-986,719.65-159,177.10

Finding the Fourth Proportional to 657,813.10, 986,719.65 and 159,177.10

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Solution

The fourth proportional to 657,813.10, 986,719.65 and 159,177.10 is: 238,765.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,813.10 : 986,719.65 = 159,177.10 : x
  2. Step 2: Convert to fraction form
    657,813.10/986,719.65 = 159,177.10/x
  3. Step 3: Cross multiply
    657,813.10x = 986,719.65 × 159,177.10
  4. Step 4: Simplify right side
    657,813.10x = 157,063,172,400.02
  5. Step 5: Solve for x
    x = 157,063,172,400.02/657,813.10
  6. Step 6: Final answer
    x = 238,765.65

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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.