Home / 161,512.60-242,528.10-109,154.20

Finding the Fourth Proportional to 161,512.60, 242,528.10 and 109,154.20

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Solution

The fourth proportional to 161,512.60, 242,528.10 and 109,154.20 is: 163,906.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,512.60 : 242,528.10 = 109,154.20 : x
  2. Step 2: Convert to fraction form
    161,512.60/242,528.10 = 109,154.20/x
  3. Step 3: Cross multiply
    161,512.60x = 242,528.10 × 109,154.20
  4. Step 4: Simplify right side
    161,512.60x = 26,472,960,733.02
  5. Step 5: Solve for x
    x = 26,472,960,733.02/161,512.60
  6. Step 6: Final answer
    x = 163,906.47

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1.5x scale

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.