Home / 157,244.20-235,607.10-130,805.80

Finding the Fourth Proportional to 157,244.20, 235,607.10 and 130,805.80

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Solution

The fourth proportional to 157,244.20, 235,607.10 and 130,805.80 is: 195,993.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,244.20 : 235,607.10 = 130,805.80 : x
  2. Step 2: Convert to fraction form
    157,244.20/235,607.10 = 130,805.80/x
  3. Step 3: Cross multiply
    157,244.20x = 235,607.10 × 130,805.80
  4. Step 4: Simplify right side
    157,244.20x = 30,818,775,201.18
  5. Step 5: Solve for x
    x = 30,818,775,201.18/157,244.20
  6. Step 6: Final answer
    x = 195,993.08

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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.