Home / 130,057.18-195,127.43-55,240.18

Finding the Fourth Proportional to 130,057.18, 195,127.43 and 55,240.18

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Solution

The fourth proportional to 130,057.18, 195,127.43 and 55,240.18 is: 82,877.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,057.18 : 195,127.43 = 55,240.18 : x
  2. Step 2: Convert to fraction form
    130,057.18/195,127.43 = 55,240.18/x
  3. Step 3: Cross multiply
    130,057.18x = 195,127.43 × 55,240.18
  4. Step 4: Simplify right side
    130,057.18x = 10,778,874,356.14
  5. Step 5: Solve for x
    x = 10,778,874,356.14/130,057.18
  6. Step 6: Final answer
    x = 82,877.96

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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.