Home / 149,821.76-224,577.12-70,875.92

Finding the Fourth Proportional to 149,821.76, 224,577.12 and 70,875.92

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Solution

The fourth proportional to 149,821.76, 224,577.12 and 70,875.92 is: 106,240.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,821.76 : 224,577.12 = 70,875.92 : x
  2. Step 2: Convert to fraction form
    149,821.76/224,577.12 = 70,875.92/x
  3. Step 3: Cross multiply
    149,821.76x = 224,577.12 × 70,875.92
  4. Step 4: Simplify right side
    149,821.76x = 15,917,109,990.95
  5. Step 5: Solve for x
    x = 15,917,109,990.95/149,821.76
  6. Step 6: Final answer
    x = 106,240.31

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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.