Home / 131,775.52-181,850.28-71,346.16

Finding the Fourth Proportional to 131,775.52, 181,850.28 and 71,346.16

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Solution

The fourth proportional to 131,775.52, 181,850.28 and 71,346.16 is: 98,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,775.52 : 181,850.28 = 71,346.16 : x
  2. Step 2: Convert to fraction form
    131,775.52/181,850.28 = 71,346.16/x
  3. Step 3: Cross multiply
    131,775.52x = 181,850.28 × 71,346.16
  4. Step 4: Simplify right side
    131,775.52x = 12,974,319,172.92
  5. Step 5: Solve for x
    x = 12,974,319,172.92/131,775.52
  6. Step 6: Final answer
    x = 98,457.73

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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.