Home / 170,079.20-254,900.10-103,448.60

Finding the Fourth Proportional to 170,079.20, 254,900.10 and 103,448.60

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Solution

The fourth proportional to 170,079.20, 254,900.10 and 103,448.60 is: 155,039.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,079.20 : 254,900.10 = 103,448.60 : x
  2. Step 2: Convert to fraction form
    170,079.20/254,900.10 = 103,448.60/x
  3. Step 3: Cross multiply
    170,079.20x = 254,900.10 × 103,448.60
  4. Step 4: Simplify right side
    170,079.20x = 26,369,058,484.86
  5. Step 5: Solve for x
    x = 26,369,058,484.86/170,079.20
  6. Step 6: Final answer
    x = 155,039.88

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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.