Home / 288,833.16-433,209.66-89,160.12

Finding the Fourth Proportional to 288,833.16, 433,209.66 and 89,160.12

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Solution

The fourth proportional to 288,833.16, 433,209.66 and 89,160.12 is: 133,727.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,833.16 : 433,209.66 = 89,160.12 : x
  2. Step 2: Convert to fraction form
    288,833.16/433,209.66 = 89,160.12/x
  3. Step 3: Cross multiply
    288,833.16x = 433,209.66 × 89,160.12
  4. Step 4: Simplify right side
    288,833.16x = 38,625,025,270.76
  5. Step 5: Solve for x
    x = 38,625,025,270.76/288,833.16
  6. Step 6: Final answer
    x = 133,727.81

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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.