Home / 119,231.19-164,538.55-65,516.04

Finding the Fourth Proportional to 119,231.19, 164,538.55 and 65,516.04

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Solution

The fourth proportional to 119,231.19, 164,538.55 and 65,516.04 is: 90,411.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,231.19 : 164,538.55 = 65,516.04 : x
  2. Step 2: Convert to fraction form
    119,231.19/164,538.55 = 65,516.04/x
  3. Step 3: Cross multiply
    119,231.19x = 164,538.55 × 65,516.04
  4. Step 4: Simplify right side
    119,231.19x = 10,779,914,223.34
  5. Step 5: Solve for x
    x = 10,779,914,223.34/119,231.19
  6. Step 6: Final answer
    x = 90,411.86

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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.