Home / 156,938.10-235,099.95-94,422.90

Finding the Fourth Proportional to 156,938.10, 235,099.95 and 94,422.90

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Solution

The fourth proportional to 156,938.10, 235,099.95 and 94,422.90 is: 141,449.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,938.10 : 235,099.95 = 94,422.90 : x
  2. Step 2: Convert to fraction form
    156,938.10/235,099.95 = 94,422.90/x
  3. Step 3: Cross multiply
    156,938.10x = 235,099.95 × 94,422.90
  4. Step 4: Simplify right side
    156,938.10x = 22,198,819,068.86
  5. Step 5: Solve for x
    x = 22,198,819,068.86/156,938.10
  6. Step 6: Final answer
    x = 141,449.52

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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.