Home / 110,972.16-153,104.10-63,191.64

Finding the Fourth Proportional to 110,972.16, 153,104.10 and 63,191.64

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Solution

The fourth proportional to 110,972.16, 153,104.10 and 63,191.64 is: 87,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,972.16 : 153,104.10 = 63,191.64 : x
  2. Step 2: Convert to fraction form
    110,972.16/153,104.10 = 63,191.64/x
  3. Step 3: Cross multiply
    110,972.16x = 153,104.10 × 63,191.64
  4. Step 4: Simplify right side
    110,972.16x = 9,674,899,169.72
  5. Step 5: Solve for x
    x = 9,674,899,169.72/110,972.16
  6. Step 6: Final answer
    x = 87,183.12

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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.