Home / 113,135.05-169,724.45-43,008.89

Finding the Fourth Proportional to 113,135.05, 169,724.45 and 43,008.89

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Solution

The fourth proportional to 113,135.05, 169,724.45 and 43,008.89 is: 64,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,135.05 : 169,724.45 = 43,008.89 : x
  2. Step 2: Convert to fraction form
    113,135.05/169,724.45 = 43,008.89/x
  3. Step 3: Cross multiply
    113,135.05x = 169,724.45 × 43,008.89
  4. Step 4: Simplify right side
    113,135.05x = 7,299,660,172.04
  5. Step 5: Solve for x
    x = 7,299,660,172.04/113,135.05
  6. Step 6: Final answer
    x = 64,521.65

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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.