Home / 156,934.60-235,401.90-109,695.40

Finding the Fourth Proportional to 156,934.60, 235,401.90 and 109,695.40

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Solution

The fourth proportional to 156,934.60, 235,401.90 and 109,695.40 is: 164,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,934.60 : 235,401.90 = 109,695.40 : x
  2. Step 2: Convert to fraction form
    156,934.60/235,401.90 = 109,695.40/x
  3. Step 3: Cross multiply
    156,934.60x = 235,401.90 × 109,695.40
  4. Step 4: Simplify right side
    156,934.60x = 25,822,505,581.26
  5. Step 5: Solve for x
    x = 25,822,505,581.26/156,934.60
  6. Step 6: Final answer
    x = 164,543.10

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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.