Home / 177,622.95-266,422.28-57,678.15

Finding the Fourth Proportional to 177,622.95, 266,422.28 and 57,678.15

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Solution

The fourth proportional to 177,622.95, 266,422.28 and 57,678.15 is: 86,513.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,622.95 : 266,422.28 = 57,678.15 : x
  2. Step 2: Convert to fraction form
    177,622.95/266,422.28 = 57,678.15/x
  3. Step 3: Cross multiply
    177,622.95x = 266,422.28 × 57,678.15
  4. Step 4: Simplify right side
    177,622.95x = 15,366,743,940.79
  5. Step 5: Solve for x
    x = 15,366,743,940.79/177,622.95
  6. Step 6: Final answer
    x = 86,513.28

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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.