Home / 126,185.28-174,134.40-69,597.12

Finding the Fourth Proportional to 126,185.28, 174,134.40 and 69,597.12

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Solution

The fourth proportional to 126,185.28, 174,134.40 and 69,597.12 is: 96,043.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,185.28 : 174,134.40 = 69,597.12 : x
  2. Step 2: Convert to fraction form
    126,185.28/174,134.40 = 69,597.12/x
  3. Step 3: Cross multiply
    126,185.28x = 174,134.40 × 69,597.12
  4. Step 4: Simplify right side
    126,185.28x = 12,119,252,732.93
  5. Step 5: Solve for x
    x = 12,119,252,732.93/126,185.28
  6. Step 6: Final answer
    x = 96,043.32

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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.