Home / 236,858.60-326,860.91-129,426.16

Finding the Fourth Proportional to 236,858.60, 326,860.91 and 129,426.16

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Solution

The fourth proportional to 236,858.60, 326,860.91 and 129,426.16 is: 178,605.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,858.60 : 326,860.91 = 129,426.16 : x
  2. Step 2: Convert to fraction form
    236,858.60/326,860.91 = 129,426.16/x
  3. Step 3: Cross multiply
    236,858.60x = 326,860.91 × 129,426.16
  4. Step 4: Simplify right side
    236,858.60x = 42,304,350,153.97
  5. Step 5: Solve for x
    x = 42,304,350,153.97/236,858.60
  6. Step 6: Final answer
    x = 178,605.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.