Home / 168,439.28-232,441.76-92,986.16

Finding the Fourth Proportional to 168,439.28, 232,441.76 and 92,986.16

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Solution

The fourth proportional to 168,439.28, 232,441.76 and 92,986.16 is: 128,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,439.28 : 232,441.76 = 92,986.16 : x
  2. Step 2: Convert to fraction form
    168,439.28/232,441.76 = 92,986.16/x
  3. Step 3: Cross multiply
    168,439.28x = 232,441.76 × 92,986.16
  4. Step 4: Simplify right side
    168,439.28x = 21,613,866,686.04
  5. Step 5: Solve for x
    x = 21,613,866,686.04/168,439.28
  6. Step 6: Final answer
    x = 128,318.45

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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.