Home / 123,513.16-170,445.90-69,797.02

Finding the Fourth Proportional to 123,513.16, 170,445.90 and 69,797.02

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Solution

The fourth proportional to 123,513.16, 170,445.90 and 69,797.02 is: 96,318.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,513.16 : 170,445.90 = 69,797.02 : x
  2. Step 2: Convert to fraction form
    123,513.16/170,445.90 = 69,797.02/x
  3. Step 3: Cross multiply
    123,513.16x = 170,445.90 × 69,797.02
  4. Step 4: Simplify right side
    123,513.16x = 11,896,615,891.22
  5. Step 5: Solve for x
    x = 11,896,615,891.22/123,513.16
  6. Step 6: Final answer
    x = 96,318.61

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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.