Home / 156,949.90-235,424.85-137,266.90

Finding the Fourth Proportional to 156,949.90, 235,424.85 and 137,266.90

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Solution

The fourth proportional to 156,949.90, 235,424.85 and 137,266.90 is: 205,900.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,949.90 : 235,424.85 = 137,266.90 : x
  2. Step 2: Convert to fraction form
    156,949.90/235,424.85 = 137,266.90/x
  3. Step 3: Cross multiply
    156,949.90x = 235,424.85 × 137,266.90
  4. Step 4: Simplify right side
    156,949.90x = 32,316,039,342.47
  5. Step 5: Solve for x
    x = 32,316,039,342.47/156,949.90
  6. Step 6: Final answer
    x = 205,900.35

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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.