Home / 134,180.15-185,165.43-72,924.89

Finding the Fourth Proportional to 134,180.15, 185,165.43 and 72,924.89

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Solution

The fourth proportional to 134,180.15, 185,165.43 and 72,924.89 is: 100,634.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,180.15 : 185,165.43 = 72,924.89 : x
  2. Step 2: Convert to fraction form
    134,180.15/185,165.43 = 72,924.89/x
  3. Step 3: Cross multiply
    134,180.15x = 185,165.43 × 72,924.89
  4. Step 4: Simplify right side
    134,180.15x = 13,503,167,688.73
  5. Step 5: Solve for x
    x = 13,503,167,688.73/134,180.15
  6. Step 6: Final answer
    x = 100,634.62

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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.