Home / 156,927.90-235,391.85-137,244.90

Finding the Fourth Proportional to 156,927.90, 235,391.85 and 137,244.90

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Solution

The fourth proportional to 156,927.90, 235,391.85 and 137,244.90 is: 205,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,927.90 : 235,391.85 = 137,244.90 : x
  2. Step 2: Convert to fraction form
    156,927.90/235,391.85 = 137,244.90/x
  3. Step 3: Cross multiply
    156,927.90x = 235,391.85 × 137,244.90
  4. Step 4: Simplify right side
    156,927.90x = 32,306,330,914.07
  5. Step 5: Solve for x
    x = 32,306,330,914.07/156,927.90
  6. Step 6: Final answer
    x = 205,867.35

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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.