Home / 122,862.96-169,559.46-69,153.12

Finding the Fourth Proportional to 122,862.96, 169,559.46 and 69,153.12

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Solution

The fourth proportional to 122,862.96, 169,559.46 and 69,153.12 is: 95,436.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,862.96 : 169,559.46 = 69,153.12 : x
  2. Step 2: Convert to fraction form
    122,862.96/169,559.46 = 69,153.12/x
  3. Step 3: Cross multiply
    122,862.96x = 169,559.46 × 69,153.12
  4. Step 4: Simplify right side
    122,862.96x = 11,725,565,684.52
  5. Step 5: Solve for x
    x = 11,725,565,684.52/122,862.96
  6. Step 6: Final answer
    x = 95,436.13

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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.