Home / 132,588.72-182,879.28-87,252.24

Finding the Fourth Proportional to 132,588.72, 182,879.28 and 87,252.24

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Solution

The fourth proportional to 132,588.72, 182,879.28 and 87,252.24 is: 120,346.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,588.72 : 182,879.28 = 87,252.24 : x
  2. Step 2: Convert to fraction form
    132,588.72/182,879.28 = 87,252.24/x
  3. Step 3: Cross multiply
    132,588.72x = 182,879.28 × 87,252.24
  4. Step 4: Simplify right side
    132,588.72x = 15,956,626,829.59
  5. Step 5: Solve for x
    x = 15,956,626,829.59/132,588.72
  6. Step 6: Final answer
    x = 120,346.79

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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.