Home / 156,495.16-215,960.34-84,873.88

Finding the Fourth Proportional to 156,495.16, 215,960.34 and 84,873.88

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Solution

The fourth proportional to 156,495.16, 215,960.34 and 84,873.88 is: 117,124.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,495.16 : 215,960.34 = 84,873.88 : x
  2. Step 2: Convert to fraction form
    156,495.16/215,960.34 = 84,873.88/x
  3. Step 3: Cross multiply
    156,495.16x = 215,960.34 × 84,873.88
  4. Step 4: Simplify right side
    156,495.16x = 18,329,391,981.92
  5. Step 5: Solve for x
    x = 18,329,391,981.92/156,495.16
  6. Step 6: Final answer
    x = 117,124.34

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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.