Home / 142,182.38-213,240.74-53,444.84

Finding the Fourth Proportional to 142,182.38, 213,240.74 and 53,444.84

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Solution

The fourth proportional to 142,182.38, 213,240.74 and 53,444.84 is: 80,154.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,182.38 : 213,240.74 = 53,444.84 : x
  2. Step 2: Convert to fraction form
    142,182.38/213,240.74 = 53,444.84/x
  3. Step 3: Cross multiply
    142,182.38x = 213,240.74 × 53,444.84
  4. Step 4: Simplify right side
    142,182.38x = 11,396,617,230.78
  5. Step 5: Solve for x
    x = 11,396,617,230.78/142,182.38
  6. Step 6: Final answer
    x = 80,154.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.