Home / 156,943.70-235,415.55-144,962.90

Finding the Fourth Proportional to 156,943.70, 235,415.55 and 144,962.90

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Solution

The fourth proportional to 156,943.70, 235,415.55 and 144,962.90 is: 217,444.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,943.70 : 235,415.55 = 144,962.90 : x
  2. Step 2: Convert to fraction form
    156,943.70/235,415.55 = 144,962.90/x
  3. Step 3: Cross multiply
    156,943.70x = 235,415.55 × 144,962.90
  4. Step 4: Simplify right side
    156,943.70x = 34,126,520,833.10
  5. Step 5: Solve for x
    x = 34,126,520,833.10/156,943.70
  6. Step 6: Final answer
    x = 217,444.35

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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.