Home / 133,220.43-183,763.76-87,882.30

Finding the Fourth Proportional to 133,220.43, 183,763.76 and 87,882.30

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Solution

The fourth proportional to 133,220.43, 183,763.76 and 87,882.30 is: 121,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,220.43 : 183,763.76 = 87,882.30 : x
  2. Step 2: Convert to fraction form
    133,220.43/183,763.76 = 87,882.30/x
  3. Step 3: Cross multiply
    133,220.43x = 183,763.76 × 87,882.30
  4. Step 4: Simplify right side
    133,220.43x = 16,149,581,446.04
  5. Step 5: Solve for x
    x = 16,149,581,446.04/133,220.43
  6. Step 6: Final answer
    x = 121,224.51

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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.