Home / 121,253.14-181,800.50-58,071.20

Finding the Fourth Proportional to 121,253.14, 181,800.50 and 58,071.20

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Solution

The fourth proportional to 121,253.14, 181,800.50 and 58,071.20 is: 87,068.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,253.14 : 181,800.50 = 58,071.20 : x
  2. Step 2: Convert to fraction form
    121,253.14/181,800.50 = 58,071.20/x
  3. Step 3: Cross multiply
    121,253.14x = 181,800.50 × 58,071.20
  4. Step 4: Simplify right side
    121,253.14x = 10,557,373,359.75
  5. Step 5: Solve for x
    x = 10,557,373,359.75/121,253.14
  6. Step 6: Final answer
    x = 87,068.87

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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.