Home / 119,086.23-178,643.79-52,543.11

Finding the Fourth Proportional to 119,086.23, 178,643.79 and 52,543.11

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Solution

The fourth proportional to 119,086.23, 178,643.79 and 52,543.11 is: 78,821.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,086.23 : 178,643.79 = 52,543.11 : x
  2. Step 2: Convert to fraction form
    119,086.23/178,643.79 = 52,543.11/x
  3. Step 3: Cross multiply
    119,086.23x = 178,643.79 × 52,543.11
  4. Step 4: Simplify right side
    119,086.23x = 9,386,500,308.79
  5. Step 5: Solve for x
    x = 9,386,500,308.79/119,086.23
  6. Step 6: Final answer
    x = 78,821.04

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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.