Home / 112,493.20-168,545.40-53,201.20

Finding the Fourth Proportional to 112,493.20, 168,545.40 and 53,201.20

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Solution

The fourth proportional to 112,493.20, 168,545.40 and 53,201.20 is: 79,709.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,493.20 : 168,545.40 = 53,201.20 : x
  2. Step 2: Convert to fraction form
    112,493.20/168,545.40 = 53,201.20/x
  3. Step 3: Cross multiply
    112,493.20x = 168,545.40 × 53,201.20
  4. Step 4: Simplify right side
    112,493.20x = 8,966,817,534.48
  5. Step 5: Solve for x
    x = 8,966,817,534.48/112,493.20
  6. Step 6: Final answer
    x = 79,709.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.