Home / 159,545.30-220,172.58-87,924.69

Finding the Fourth Proportional to 159,545.30, 220,172.58 and 87,924.69

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Solution

The fourth proportional to 159,545.30, 220,172.58 and 87,924.69 is: 121,336.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,545.30 : 220,172.58 = 87,924.69 : x
  2. Step 2: Convert to fraction form
    159,545.30/220,172.58 = 87,924.69/x
  3. Step 3: Cross multiply
    159,545.30x = 220,172.58 × 87,924.69
  4. Step 4: Simplify right side
    159,545.30x = 19,358,605,843.00
  5. Step 5: Solve for x
    x = 19,358,605,843.00/159,545.30
  6. Step 6: Final answer
    x = 121,336.11

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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.