Home / 139,528.38-192,551.58-75,866.61

Finding the Fourth Proportional to 139,528.38, 192,551.58 and 75,866.61

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Solution

The fourth proportional to 139,528.38, 192,551.58 and 75,866.61 is: 104,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,528.38 : 192,551.58 = 75,866.61 : x
  2. Step 2: Convert to fraction form
    139,528.38/192,551.58 = 75,866.61/x
  3. Step 3: Cross multiply
    139,528.38x = 192,551.58 × 75,866.61
  4. Step 4: Simplify right side
    139,528.38x = 14,608,235,624.74
  5. Step 5: Solve for x
    x = 14,608,235,624.74/139,528.38
  6. Step 6: Final answer
    x = 104,697.24

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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.