Home / 156,088.35-215,401.95-84,468.39

Finding the Fourth Proportional to 156,088.35, 215,401.95 and 84,468.39

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Solution

The fourth proportional to 156,088.35, 215,401.95 and 84,468.39 is: 116,566.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,088.35 : 215,401.95 = 84,468.39 : x
  2. Step 2: Convert to fraction form
    156,088.35/215,401.95 = 84,468.39/x
  3. Step 3: Cross multiply
    156,088.35x = 215,401.95 × 84,468.39
  4. Step 4: Simplify right side
    156,088.35x = 18,194,655,919.36
  5. Step 5: Solve for x
    x = 18,194,655,919.36/156,088.35
  6. Step 6: Final answer
    x = 116,566.39

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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.