Home / 104,476.28-144,177.80-56,729.60

Finding the Fourth Proportional to 104,476.28, 144,177.80 and 56,729.60

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Solution

The fourth proportional to 104,476.28, 144,177.80 and 56,729.60 is: 78,287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,476.28 : 144,177.80 = 56,729.60 : x
  2. Step 2: Convert to fraction form
    104,476.28/144,177.80 = 56,729.60/x
  3. Step 3: Cross multiply
    104,476.28x = 144,177.80 × 56,729.60
  4. Step 4: Simplify right side
    104,476.28x = 8,179,148,922.88
  5. Step 5: Solve for x
    x = 8,179,148,922.88/104,476.28
  6. Step 6: Final answer
    x = 78,287.14

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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.