Home / 119,916.96-165,551.68-72,182.08

Finding the Fourth Proportional to 119,916.96, 165,551.68 and 72,182.08

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Solution

The fourth proportional to 119,916.96, 165,551.68 and 72,182.08 is: 99,651.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,916.96 : 165,551.68 = 72,182.08 : x
  2. Step 2: Convert to fraction form
    119,916.96/165,551.68 = 72,182.08/x
  3. Step 3: Cross multiply
    119,916.96x = 165,551.68 × 72,182.08
  4. Step 4: Simplify right side
    119,916.96x = 11,949,864,609.89
  5. Step 5: Solve for x
    x = 11,949,864,609.89/119,916.96
  6. Step 6: Final answer
    x = 99,651.16

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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.