Home / 124,145.73-171,309.26-69,685.42

Finding the Fourth Proportional to 124,145.73, 171,309.26 and 69,685.42

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Solution

The fourth proportional to 124,145.73, 171,309.26 and 69,685.42 is: 96,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,145.73 : 171,309.26 = 69,685.42 : x
  2. Step 2: Convert to fraction form
    124,145.73/171,309.26 = 69,685.42/x
  3. Step 3: Cross multiply
    124,145.73x = 171,309.26 × 69,685.42
  4. Step 4: Simplify right side
    124,145.73x = 11,937,758,347.27
  5. Step 5: Solve for x
    x = 11,937,758,347.27/124,145.73
  6. Step 6: Final answer
    x = 96,159.24

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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.