Home / 113,864.03-157,178.69-73,581.11

Finding the Fourth Proportional to 113,864.03, 157,178.69 and 73,581.11

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Solution

The fourth proportional to 113,864.03, 157,178.69 and 73,581.11 is: 101,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,864.03 : 157,178.69 = 73,581.11 : x
  2. Step 2: Convert to fraction form
    113,864.03/157,178.69 = 73,581.11/x
  3. Step 3: Cross multiply
    113,864.03x = 157,178.69 × 73,581.11
  4. Step 4: Simplify right side
    113,864.03x = 11,565,382,478.55
  5. Step 5: Solve for x
    x = 11,565,382,478.55/113,864.03
  6. Step 6: Final answer
    x = 101,571.87

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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.