Home / 169,236-233,545.68-93,789.36

Finding the Fourth Proportional to 169,236, 233,545.68 and 93,789.36

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Solution

The fourth proportional to 169,236, 233,545.68 and 93,789.36 is: 129,429.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,236 : 233,545.68 = 93,789.36 : x
  2. Step 2: Convert to fraction form
    169,236/233,545.68 = 93,789.36/x
  3. Step 3: Cross multiply
    169,236x = 233,545.68 × 93,789.36
  4. Step 4: Simplify right side
    169,236x = 21,904,099,857.96
  5. Step 5: Solve for x
    x = 21,904,099,857.96/169,236
  6. Step 6: Final answer
    x = 129,429.32

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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.