Home / 137,451.02-189,683.07-89,676.14

Finding the Fourth Proportional to 137,451.02, 189,683.07 and 89,676.14

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Solution

The fourth proportional to 137,451.02, 189,683.07 and 89,676.14 is: 123,753.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,451.02 : 189,683.07 = 89,676.14 : x
  2. Step 2: Convert to fraction form
    137,451.02/189,683.07 = 89,676.14/x
  3. Step 3: Cross multiply
    137,451.02x = 189,683.07 × 89,676.14
  4. Step 4: Simplify right side
    137,451.02x = 17,010,045,540.95
  5. Step 5: Solve for x
    x = 17,010,045,540.95/137,451.02
  6. Step 6: Final answer
    x = 123,753.51

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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.