Home / 132,328.32-182,610.86-71,899.89

Finding the Fourth Proportional to 132,328.32, 182,610.86 and 71,899.89

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Solution

The fourth proportional to 132,328.32, 182,610.86 and 71,899.89 is: 99,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,328.32 : 182,610.86 = 71,899.89 : x
  2. Step 2: Convert to fraction form
    132,328.32/182,610.86 = 71,899.89/x
  3. Step 3: Cross multiply
    132,328.32x = 182,610.86 × 71,899.89
  4. Step 4: Simplify right side
    132,328.32x = 13,129,700,746.81
  5. Step 5: Solve for x
    x = 13,129,700,746.81/132,328.32
  6. Step 6: Final answer
    x = 99,220.64

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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.