Home / 132,315.02-182,623.61-81,371.59

Finding the Fourth Proportional to 132,315.02, 182,623.61 and 81,371.59

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Solution

The fourth proportional to 132,315.02, 182,623.61 and 81,371.59 is: 112,310.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,315.02 : 182,623.61 = 81,371.59 : x
  2. Step 2: Convert to fraction form
    132,315.02/182,623.61 = 81,371.59/x
  3. Step 3: Cross multiply
    132,315.02x = 182,623.61 × 81,371.59
  4. Step 4: Simplify right side
    132,315.02x = 14,860,373,264.11
  5. Step 5: Solve for x
    x = 14,860,373,264.11/132,315.02
  6. Step 6: Final answer
    x = 112,310.56

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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.