Home / 111,389.19-153,717.44-60,401.88

Finding the Fourth Proportional to 111,389.19, 153,717.44 and 60,401.88

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Solution

The fourth proportional to 111,389.19, 153,717.44 and 60,401.88 is: 83,354.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,389.19 : 153,717.44 = 60,401.88 : x
  2. Step 2: Convert to fraction form
    111,389.19/153,717.44 = 60,401.88/x
  3. Step 3: Cross multiply
    111,389.19x = 153,717.44 × 60,401.88
  4. Step 4: Simplify right side
    111,389.19x = 9,284,822,062.78
  5. Step 5: Solve for x
    x = 9,284,822,062.78/111,389.19
  6. Step 6: Final answer
    x = 83,354.79

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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.