Home / 160,533.30-221,523.76-88,911.78

Finding the Fourth Proportional to 160,533.30, 221,523.76 and 88,911.78

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Solution

The fourth proportional to 160,533.30, 221,523.76 and 88,911.78 is: 122,691.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,533.30 : 221,523.76 = 88,911.78 : x
  2. Step 2: Convert to fraction form
    160,533.30/221,523.76 = 88,911.78/x
  3. Step 3: Cross multiply
    160,533.30x = 221,523.76 × 88,911.78
  4. Step 4: Simplify right side
    160,533.30x = 19,696,071,591.61
  5. Step 5: Solve for x
    x = 19,696,071,591.61/160,533.30
  6. Step 6: Final answer
    x = 122,691.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.