Home / 140,179.23-193,447.28-76,517.02

Finding the Fourth Proportional to 140,179.23, 193,447.28 and 76,517.02

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Solution

The fourth proportional to 140,179.23, 193,447.28 and 76,517.02 is: 105,593.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,179.23 : 193,447.28 = 76,517.02 : x
  2. Step 2: Convert to fraction form
    140,179.23/193,447.28 = 76,517.02/x
  3. Step 3: Cross multiply
    140,179.23x = 193,447.28 × 76,517.02
  4. Step 4: Simplify right side
    140,179.23x = 14,802,009,392.71
  5. Step 5: Solve for x
    x = 14,802,009,392.71/140,179.23
  6. Step 6: Final answer
    x = 105,593.46

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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.