Home / 134,711.46-185,900.67-74,284.65

Finding the Fourth Proportional to 134,711.46, 185,900.67 and 74,284.65

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Solution

The fourth proportional to 134,711.46, 185,900.67 and 74,284.65 is: 102,512.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,711.46 : 185,900.67 = 74,284.65 : x
  2. Step 2: Convert to fraction form
    134,711.46/185,900.67 = 74,284.65/x
  3. Step 3: Cross multiply
    134,711.46x = 185,900.67 × 74,284.65
  4. Step 4: Simplify right side
    134,711.46x = 13,809,566,205.72
  5. Step 5: Solve for x
    x = 13,809,566,205.72/134,711.46
  6. Step 6: Final answer
    x = 102,512.19

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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.