Home / 156,921.24-216,549.93-85,301.04

Finding the Fourth Proportional to 156,921.24, 216,549.93 and 85,301.04

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Solution

The fourth proportional to 156,921.24, 216,549.93 and 85,301.04 is: 117,714.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,921.24 : 216,549.93 = 85,301.04 : x
  2. Step 2: Convert to fraction form
    156,921.24/216,549.93 = 85,301.04/x
  3. Step 3: Cross multiply
    156,921.24x = 216,549.93 × 85,301.04
  4. Step 4: Simplify right side
    156,921.24x = 18,471,934,240.93
  5. Step 5: Solve for x
    x = 18,471,934,240.93/156,921.24
  6. Step 6: Final answer
    x = 117,714.68

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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.