Home / 153,190.20-229,331.70-113,921.40

Finding the Fourth Proportional to 153,190.20, 229,331.70 and 113,921.40

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Solution

The fourth proportional to 153,190.20, 229,331.70 and 113,921.40 is: 170,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,190.20 : 229,331.70 = 113,921.40 : x
  2. Step 2: Convert to fraction form
    153,190.20/229,331.70 = 113,921.40/x
  3. Step 3: Cross multiply
    153,190.20x = 229,331.70 × 113,921.40
  4. Step 4: Simplify right side
    153,190.20x = 26,125,788,328.38
  5. Step 5: Solve for x
    x = 26,125,788,328.38/153,190.20
  6. Step 6: Final answer
    x = 170,544.78

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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.