Home / 156,088.68-215,401.62-84,468.60

Finding the Fourth Proportional to 156,088.68, 215,401.62 and 84,468.60

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Solution

The fourth proportional to 156,088.68, 215,401.62 and 84,468.60 is: 116,566.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,088.68 : 215,401.62 = 84,468.60 : x
  2. Step 2: Convert to fraction form
    156,088.68/215,401.62 = 84,468.60/x
  3. Step 3: Cross multiply
    156,088.68x = 215,401.62 × 84,468.60
  4. Step 4: Simplify right side
    156,088.68x = 18,194,673,279.13
  5. Step 5: Solve for x
    x = 18,194,673,279.13/156,088.68
  6. Step 6: Final answer
    x = 116,566.26

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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.