Home / 170,112.80-254,564.40-148,167.20

Finding the Fourth Proportional to 170,112.80, 254,564.40 and 148,167.20

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Solution

The fourth proportional to 170,112.80, 254,564.40 and 148,167.20 is: 221,724.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,112.80 : 254,564.40 = 148,167.20 : x
  2. Step 2: Convert to fraction form
    170,112.80/254,564.40 = 148,167.20/x
  3. Step 3: Cross multiply
    170,112.80x = 254,564.40 × 148,167.20
  4. Step 4: Simplify right side
    170,112.80x = 37,718,094,367.68
  5. Step 5: Solve for x
    x = 37,718,094,367.68/170,112.80
  6. Step 6: Final answer
    x = 221,724.02

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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.