Home / 156,923.06-216,549.22-85,301.24

Finding the Fourth Proportional to 156,923.06, 216,549.22 and 85,301.24

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Solution

The fourth proportional to 156,923.06, 216,549.22 and 85,301.24 is: 117,713.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,923.06 : 216,549.22 = 85,301.24 : x
  2. Step 2: Convert to fraction form
    156,923.06/216,549.22 = 85,301.24/x
  3. Step 3: Cross multiply
    156,923.06x = 216,549.22 × 85,301.24
  4. Step 4: Simplify right side
    156,923.06x = 18,471,916,987.03
  5. Step 5: Solve for x
    x = 18,471,916,987.03/156,923.06
  6. Step 6: Final answer
    x = 117,713.21

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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.