Home / 156,847.04-216,448.49-85,227.06

Finding the Fourth Proportional to 156,847.04, 216,448.49 and 85,227.06

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Solution

The fourth proportional to 156,847.04, 216,448.49 and 85,227.06 is: 117,613.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,847.04 : 216,448.49 = 85,227.06 : x
  2. Step 2: Convert to fraction form
    156,847.04/216,448.49 = 85,227.06/x
  3. Step 3: Cross multiply
    156,847.04x = 216,448.49 × 85,227.06
  4. Step 4: Simplify right side
    156,847.04x = 18,447,268,018.00
  5. Step 5: Solve for x
    x = 18,447,268,018.00/156,847.04
  6. Step 6: Final answer
    x = 117,613.11

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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.