Home / 156,927.28-235,258.20-68,114.04

Finding the Fourth Proportional to 156,927.28, 235,258.20 and 68,114.04

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Solution

The fourth proportional to 156,927.28, 235,258.20 and 68,114.04 is: 102,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,927.28 : 235,258.20 = 68,114.04 : x
  2. Step 2: Convert to fraction form
    156,927.28/235,258.20 = 68,114.04/x
  3. Step 3: Cross multiply
    156,927.28x = 235,258.20 × 68,114.04
  4. Step 4: Simplify right side
    156,927.28x = 16,024,386,445.13
  5. Step 5: Solve for x
    x = 16,024,386,445.13/156,927.28
  6. Step 6: Final answer
    x = 102,113.45

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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.