Home / 148,070.28-204,341.82-81,002.28

Finding the Fourth Proportional to 148,070.28, 204,341.82 and 81,002.28

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Solution

The fourth proportional to 148,070.28, 204,341.82 and 81,002.28 is: 111,785.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,070.28 : 204,341.82 = 81,002.28 : x
  2. Step 2: Convert to fraction form
    148,070.28/204,341.82 = 81,002.28/x
  3. Step 3: Cross multiply
    148,070.28x = 204,341.82 × 81,002.28
  4. Step 4: Simplify right side
    148,070.28x = 16,552,153,319.35
  5. Step 5: Solve for x
    x = 16,552,153,319.35/148,070.28
  6. Step 6: Final answer
    x = 111,785.79

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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.