Home / 254,769.90-382,264.20-130,110.90

Finding the Fourth Proportional to 254,769.90, 382,264.20 and 130,110.90

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Solution

The fourth proportional to 254,769.90, 382,264.20 and 130,110.90 is: 195,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,769.90 : 382,264.20 = 130,110.90 : x
  2. Step 2: Convert to fraction form
    254,769.90/382,264.20 = 130,110.90/x
  3. Step 3: Cross multiply
    254,769.90x = 382,264.20 × 130,110.90
  4. Step 4: Simplify right side
    254,769.90x = 49,736,739,099.78
  5. Step 5: Solve for x
    x = 49,736,739,099.78/254,769.90
  6. Step 6: Final answer
    x = 195,222.20

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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.