Home / 107,543.64-148,447.14-65,102.18

Finding the Fourth Proportional to 107,543.64, 148,447.14 and 65,102.18

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Solution

The fourth proportional to 107,543.64, 148,447.14 and 65,102.18 is: 89,863.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,543.64 : 148,447.14 = 65,102.18 : x
  2. Step 2: Convert to fraction form
    107,543.64/148,447.14 = 65,102.18/x
  3. Step 3: Cross multiply
    107,543.64x = 148,447.14 × 65,102.18
  4. Step 4: Simplify right side
    107,543.64x = 9,664,232,103.25
  5. Step 5: Solve for x
    x = 9,664,232,103.25/107,543.64
  6. Step 6: Final answer
    x = 89,863.36

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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.