Home / 156,981.60-234,934.80-94,696.80

Finding the Fourth Proportional to 156,981.60, 234,934.80 and 94,696.80

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Solution

The fourth proportional to 156,981.60, 234,934.80 and 94,696.80 is: 141,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,981.60 : 234,934.80 = 94,696.80 : x
  2. Step 2: Convert to fraction form
    156,981.60/234,934.80 = 94,696.80/x
  3. Step 3: Cross multiply
    156,981.60x = 234,934.80 × 94,696.80
  4. Step 4: Simplify right side
    156,981.60x = 22,247,573,768.64
  5. Step 5: Solve for x
    x = 22,247,573,768.64/156,981.60
  6. Step 6: Final answer
    x = 141,720.90

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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.