Home / 177,792.20-266,726.70-53,145.80

Finding the Fourth Proportional to 177,792.20, 266,726.70 and 53,145.80

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Solution

The fourth proportional to 177,792.20, 266,726.70 and 53,145.80 is: 79,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,792.20 : 266,726.70 = 53,145.80 : x
  2. Step 2: Convert to fraction form
    177,792.20/266,726.70 = 53,145.80/x
  3. Step 3: Cross multiply
    177,792.20x = 266,726.70 × 53,145.80
  4. Step 4: Simplify right side
    177,792.20x = 14,175,403,852.86
  5. Step 5: Solve for x
    x = 14,175,403,852.86/177,792.20
  6. Step 6: Final answer
    x = 79,730.18

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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.