Home / 156,152.39-215,490.26-84,532.35

Finding the Fourth Proportional to 156,152.39, 215,490.26 and 84,532.35

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Solution

The fourth proportional to 156,152.39, 215,490.26 and 84,532.35 is: 116,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,152.39 : 215,490.26 = 84,532.35 : x
  2. Step 2: Convert to fraction form
    156,152.39/215,490.26 = 84,532.35/x
  3. Step 3: Cross multiply
    156,152.39x = 215,490.26 × 84,532.35
  4. Step 4: Simplify right side
    156,152.39x = 18,215,897,657.25
  5. Step 5: Solve for x
    x = 18,215,897,657.25/156,152.39
  6. Step 6: Final answer
    x = 116,654.62

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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.