Home / 96,230.40-144,151.20-66,681.60

Finding the Fourth Proportional to 96,230.40, 144,151.20 and 66,681.60

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Solution

The fourth proportional to 96,230.40, 144,151.20 and 66,681.60 is: 99,887.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,230.40 : 144,151.20 = 66,681.60 : x
  2. Step 2: Convert to fraction form
    96,230.40/144,151.20 = 66,681.60/x
  3. Step 3: Cross multiply
    96,230.40x = 144,151.20 × 66,681.60
  4. Step 4: Simplify right side
    96,230.40x = 9,612,232,657.92
  5. Step 5: Solve for x
    x = 9,612,232,657.92/96,230.40
  6. Step 6: Final answer
    x = 99,887.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.