Home / 153,015.59-229,560.29-53,161.25

Finding the Fourth Proportional to 153,015.59, 229,560.29 and 53,161.25

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Solution

The fourth proportional to 153,015.59, 229,560.29 and 53,161.25 is: 79,754.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,015.59 : 229,560.29 = 53,161.25 : x
  2. Step 2: Convert to fraction form
    153,015.59/229,560.29 = 53,161.25/x
  3. Step 3: Cross multiply
    153,015.59x = 229,560.29 × 53,161.25
  4. Step 4: Simplify right side
    153,015.59x = 12,203,711,700.96
  5. Step 5: Solve for x
    x = 12,203,711,700.96/153,015.59
  6. Step 6: Final answer
    x = 79,754.69

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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.