Home / 178,805.34-268,254.65-103,853.43

Finding the Fourth Proportional to 178,805.34, 268,254.65 and 103,853.43

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Solution

The fourth proportional to 178,805.34, 268,254.65 and 103,853.43 is: 155,807.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,805.34 : 268,254.65 = 103,853.43 : x
  2. Step 2: Convert to fraction form
    178,805.34/268,254.65 = 103,853.43/x
  3. Step 3: Cross multiply
    178,805.34x = 268,254.65 × 103,853.43
  4. Step 4: Simplify right side
    178,805.34x = 27,859,165,775.58
  5. Step 5: Solve for x
    x = 27,859,165,775.58/178,805.34
  6. Step 6: Final answer
    x = 155,807.24

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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.