Home / 156,946.73-216,584.08-85,326.12

Finding the Fourth Proportional to 156,946.73, 216,584.08 and 85,326.12

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Solution

The fourth proportional to 156,946.73, 216,584.08 and 85,326.12 is: 117,748.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,946.73 : 216,584.08 = 85,326.12 : x
  2. Step 2: Convert to fraction form
    156,946.73/216,584.08 = 85,326.12/x
  3. Step 3: Cross multiply
    156,946.73x = 216,584.08 × 85,326.12
  4. Step 4: Simplify right side
    156,946.73x = 18,480,279,200.17
  5. Step 5: Solve for x
    x = 18,480,279,200.17/156,946.73
  6. Step 6: Final answer
    x = 117,748.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.