Home / 113,260.28-169,889.34-30,154.28

Finding the Fourth Proportional to 113,260.28, 169,889.34 and 30,154.28

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Solution

The fourth proportional to 113,260.28, 169,889.34 and 30,154.28 is: 45,231.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,260.28 : 169,889.34 = 30,154.28 : x
  2. Step 2: Convert to fraction form
    113,260.28/169,889.34 = 30,154.28/x
  3. Step 3: Cross multiply
    113,260.28x = 169,889.34 × 30,154.28
  4. Step 4: Simplify right side
    113,260.28x = 5,122,890,727.38
  5. Step 5: Solve for x
    x = 5,122,890,727.38/113,260.28
  6. Step 6: Final answer
    x = 45,231.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.