Home / 111,219.03-153,484.74-63,471.42

Finding the Fourth Proportional to 111,219.03, 153,484.74 and 63,471.42

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Solution

The fourth proportional to 111,219.03, 153,484.74 and 63,471.42 is: 87,591.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,219.03 : 153,484.74 = 63,471.42 : x
  2. Step 2: Convert to fraction form
    111,219.03/153,484.74 = 63,471.42/x
  3. Step 3: Cross multiply
    111,219.03x = 153,484.74 × 63,471.42
  4. Step 4: Simplify right side
    111,219.03x = 9,741,894,396.13
  5. Step 5: Solve for x
    x = 9,741,894,396.13/111,219.03
  6. Step 6: Final answer
    x = 87,591.97

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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.