Home / 319,221.80-440,545.92-175,981.58

Finding the Fourth Proportional to 319,221.80, 440,545.92 and 175,981.58

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Solution

The fourth proportional to 319,221.80, 440,545.92 and 175,981.58 is: 242,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,221.80 : 440,545.92 = 175,981.58 : x
  2. Step 2: Convert to fraction form
    319,221.80/440,545.92 = 175,981.58/x
  3. Step 3: Cross multiply
    319,221.80x = 440,545.92 × 175,981.58
  4. Step 4: Simplify right side
    319,221.80x = 77,527,967,064.15
  5. Step 5: Solve for x
    x = 77,527,967,064.15/319,221.80
  6. Step 6: Final answer
    x = 242,865.52

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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.