Home / 178,707.52-268,172.07-103,862.91

Finding the Fourth Proportional to 178,707.52, 268,172.07 and 103,862.91

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Solution

The fourth proportional to 178,707.52, 268,172.07 and 103,862.91 is: 155,858.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,707.52 : 268,172.07 = 103,862.91 : x
  2. Step 2: Convert to fraction form
    178,707.52/268,172.07 = 103,862.91/x
  3. Step 3: Cross multiply
    178,707.52x = 268,172.07 × 103,862.91
  4. Step 4: Simplify right side
    178,707.52x = 27,853,130,678.62
  5. Step 5: Solve for x
    x = 27,853,130,678.62/178,707.52
  6. Step 6: Final answer
    x = 155,858.75

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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.