Home / 111,024.72-153,215.28-63,277.92

Finding the Fourth Proportional to 111,024.72, 153,215.28 and 63,277.92

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Solution

The fourth proportional to 111,024.72, 153,215.28 and 63,277.92 is: 87,324.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,024.72 : 153,215.28 = 63,277.92 : x
  2. Step 2: Convert to fraction form
    111,024.72/153,215.28 = 63,277.92/x
  3. Step 3: Cross multiply
    111,024.72x = 153,215.28 × 63,277.92
  4. Step 4: Simplify right side
    111,024.72x = 9,695,144,230.62
  5. Step 5: Solve for x
    x = 9,695,144,230.62/111,024.72
  6. Step 6: Final answer
    x = 87,324.19

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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.