Home / 111,279.24-153,560.34-60,977.16

Finding the Fourth Proportional to 111,279.24, 153,560.34 and 60,977.16

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Solution

The fourth proportional to 111,279.24, 153,560.34 and 60,977.16 is: 84,145.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,279.24 : 153,560.34 = 60,977.16 : x
  2. Step 2: Convert to fraction form
    111,279.24/153,560.34 = 60,977.16/x
  3. Step 3: Cross multiply
    111,279.24x = 153,560.34 × 60,977.16
  4. Step 4: Simplify right side
    111,279.24x = 9,363,673,421.83
  5. Step 5: Solve for x
    x = 9,363,673,421.83/111,279.24
  6. Step 6: Final answer
    x = 84,145.73

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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.