Home / 170,040.30-255,060.45-154,877.10

Finding the Fourth Proportional to 170,040.30, 255,060.45 and 154,877.10

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Solution

The fourth proportional to 170,040.30, 255,060.45 and 154,877.10 is: 232,315.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,040.30 : 255,060.45 = 154,877.10 : x
  2. Step 2: Convert to fraction form
    170,040.30/255,060.45 = 154,877.10/x
  3. Step 3: Cross multiply
    170,040.30x = 255,060.45 × 154,877.10
  4. Step 4: Simplify right side
    170,040.30x = 39,503,022,820.70
  5. Step 5: Solve for x
    x = 39,503,022,820.70/170,040.30
  6. Step 6: Final answer
    x = 232,315.65

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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.