Home / 119,977.29-165,493.59-71,545.26

Finding the Fourth Proportional to 119,977.29, 165,493.59 and 71,545.26

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Solution

The fourth proportional to 119,977.29, 165,493.59 and 71,545.26 is: 98,687.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,977.29 : 165,493.59 = 71,545.26 : x
  2. Step 2: Convert to fraction form
    119,977.29/165,493.59 = 71,545.26/x
  3. Step 3: Cross multiply
    119,977.29x = 165,493.59 × 71,545.26
  4. Step 4: Simplify right side
    119,977.29x = 11,840,281,924.88
  5. Step 5: Solve for x
    x = 11,840,281,924.88/119,977.29
  6. Step 6: Final answer
    x = 98,687.69

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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.