Home / 111,720.16-154,174.48-60,733.29

Finding the Fourth Proportional to 111,720.16, 154,174.48 and 60,733.29

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Solution

The fourth proportional to 111,720.16, 154,174.48 and 60,733.29 is: 83,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,720.16 : 154,174.48 = 60,733.29 : x
  2. Step 2: Convert to fraction form
    111,720.16/154,174.48 = 60,733.29/x
  3. Step 3: Cross multiply
    111,720.16x = 154,174.48 × 60,733.29
  4. Step 4: Simplify right side
    111,720.16x = 9,363,523,404.44
  5. Step 5: Solve for x
    x = 9,363,523,404.44/111,720.16
  6. Step 6: Final answer
    x = 83,812.30

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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.