Home / 113,311.73-170,642.13-98,697.17

Finding the Fourth Proportional to 113,311.73, 170,642.13 and 98,697.17

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Solution

The fourth proportional to 113,311.73, 170,642.13 and 98,697.17 is: 148,633.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,311.73 : 170,642.13 = 98,697.17 : x
  2. Step 2: Convert to fraction form
    113,311.73/170,642.13 = 98,697.17/x
  3. Step 3: Cross multiply
    113,311.73x = 170,642.13 × 98,697.17
  4. Step 4: Simplify right side
    113,311.73x = 16,841,894,460.56
  5. Step 5: Solve for x
    x = 16,841,894,460.56/113,311.73
  6. Step 6: Final answer
    x = 148,633.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.