Home / 268,516.72-370,545.24-147,657.88

Finding the Fourth Proportional to 268,516.72, 370,545.24 and 147,657.88

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Solution

The fourth proportional to 268,516.72, 370,545.24 and 147,657.88 is: 203,763.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,516.72 : 370,545.24 = 147,657.88 : x
  2. Step 2: Convert to fraction form
    268,516.72/370,545.24 = 147,657.88/x
  3. Step 3: Cross multiply
    268,516.72x = 370,545.24 × 147,657.88
  4. Step 4: Simplify right side
    268,516.72x = 54,713,924,582.49
  5. Step 5: Solve for x
    x = 54,713,924,582.49/268,516.72
  6. Step 6: Final answer
    x = 203,763.57

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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.