Home / 149,905.30-224,746.73-90,726.90

Finding the Fourth Proportional to 149,905.30, 224,746.73 and 90,726.90

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Solution

The fourth proportional to 149,905.30, 224,746.73 and 90,726.90 is: 136,023.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,905.30 : 224,746.73 = 90,726.90 : x
  2. Step 2: Convert to fraction form
    149,905.30/224,746.73 = 90,726.90/x
  3. Step 3: Cross multiply
    149,905.30x = 224,746.73 × 90,726.90
  4. Step 4: Simplify right side
    149,905.30x = 20,390,574,098.04
  5. Step 5: Solve for x
    x = 20,390,574,098.04/149,905.30
  6. Step 6: Final answer
    x = 136,023.04

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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.