Home / 178,830.04-268,264.50-66,497.08

Finding the Fourth Proportional to 178,830.04, 268,264.50 and 66,497.08

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Solution

The fourth proportional to 178,830.04, 268,264.50 and 66,497.08 is: 99,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,830.04 : 268,264.50 = 66,497.08 : x
  2. Step 2: Convert to fraction form
    178,830.04/268,264.50 = 66,497.08/x
  3. Step 3: Cross multiply
    178,830.04x = 268,264.50 × 66,497.08
  4. Step 4: Simplify right side
    178,830.04x = 17,838,805,917.66
  5. Step 5: Solve for x
    x = 17,838,805,917.66/178,830.04
  6. Step 6: Final answer
    x = 99,752.85

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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.