Home / 119,129.04-164,386.76-71,373.52

Finding the Fourth Proportional to 119,129.04, 164,386.76 and 71,373.52

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Solution

The fourth proportional to 119,129.04, 164,386.76 and 71,373.52 is: 98,488.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,129.04 : 164,386.76 = 71,373.52 : x
  2. Step 2: Convert to fraction form
    119,129.04/164,386.76 = 71,373.52/x
  3. Step 3: Cross multiply
    119,129.04x = 164,386.76 × 71,373.52
  4. Step 4: Simplify right side
    119,129.04x = 11,732,861,702.60
  5. Step 5: Solve for x
    x = 11,732,861,702.60/119,129.04
  6. Step 6: Final answer
    x = 98,488.68

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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.