Home / 156,965.90-235,448.85-154,373.90

Finding the Fourth Proportional to 156,965.90, 235,448.85 and 154,373.90

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Solution

The fourth proportional to 156,965.90, 235,448.85 and 154,373.90 is: 231,560.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,965.90 : 235,448.85 = 154,373.90 : x
  2. Step 2: Convert to fraction form
    156,965.90/235,448.85 = 154,373.90/x
  3. Step 3: Cross multiply
    156,965.90x = 235,448.85 × 154,373.90
  4. Step 4: Simplify right side
    156,965.90x = 36,347,157,225.02
  5. Step 5: Solve for x
    x = 36,347,157,225.02/156,965.90
  6. Step 6: Final answer
    x = 231,560.85

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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.