Home / 134,598.45-185,754.09-74,169.12

Finding the Fourth Proportional to 134,598.45, 185,754.09 and 74,169.12

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Solution

The fourth proportional to 134,598.45, 185,754.09 and 74,169.12 is: 102,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,598.45 : 185,754.09 = 74,169.12 : x
  2. Step 2: Convert to fraction form
    134,598.45/185,754.09 = 74,169.12/x
  3. Step 3: Cross multiply
    134,598.45x = 185,754.09 × 74,169.12
  4. Step 4: Simplify right side
    134,598.45x = 13,777,217,391.70
  5. Step 5: Solve for x
    x = 13,777,217,391.70/134,598.45
  6. Step 6: Final answer
    x = 102,357.92

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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.