Home / 132,255.99-182,516.29-78,541.18

Finding the Fourth Proportional to 132,255.99, 182,516.29 and 78,541.18

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Solution

The fourth proportional to 132,255.99, 182,516.29 and 78,541.18 is: 108,388.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,255.99 : 182,516.29 = 78,541.18 : x
  2. Step 2: Convert to fraction form
    132,255.99/182,516.29 = 78,541.18/x
  3. Step 3: Cross multiply
    132,255.99x = 182,516.29 × 78,541.18
  4. Step 4: Simplify right side
    132,255.99x = 14,335,044,133.18
  5. Step 5: Solve for x
    x = 14,335,044,133.18/132,255.99
  6. Step 6: Final answer
    x = 108,388.62

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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.