Home / 120,260.73-165,823.99-89,948.91

Finding the Fourth Proportional to 120,260.73, 165,823.99 and 89,948.91

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Solution

The fourth proportional to 120,260.73, 165,823.99 and 89,948.91 is: 124,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,260.73 : 165,823.99 = 89,948.91 : x
  2. Step 2: Convert to fraction form
    120,260.73/165,823.99 = 89,948.91/x
  3. Step 3: Cross multiply
    120,260.73x = 165,823.99 × 89,948.91
  4. Step 4: Simplify right side
    120,260.73x = 14,915,687,152.35
  5. Step 5: Solve for x
    x = 14,915,687,152.35/120,260.73
  6. Step 6: Final answer
    x = 124,027.91

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1.5x scale

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.