Home / 153,531.68-230,016.92-111,307.05

Finding the Fourth Proportional to 153,531.68, 230,016.92 and 111,307.05

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Solution

The fourth proportional to 153,531.68, 230,016.92 and 111,307.05 is: 166,757.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,531.68 : 230,016.92 = 111,307.05 : x
  2. Step 2: Convert to fraction form
    153,531.68/230,016.92 = 111,307.05/x
  3. Step 3: Cross multiply
    153,531.68x = 230,016.92 × 111,307.05
  4. Step 4: Simplify right side
    153,531.68x = 25,602,504,258.75
  5. Step 5: Solve for x
    x = 25,602,504,258.75/153,531.68
  6. Step 6: Final answer
    x = 166,757.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.