Home / 170,158.34-255,079.77-75,338.00

Finding the Fourth Proportional to 170,158.34, 255,079.77 and 75,338.00

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Solution

The fourth proportional to 170,158.34, 255,079.77 and 75,338.00 is: 112,937.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,158.34 : 255,079.77 = 75,338.00 : x
  2. Step 2: Convert to fraction form
    170,158.34/255,079.77 = 75,338.00/x
  3. Step 3: Cross multiply
    170,158.34x = 255,079.77 × 75,338.00
  4. Step 4: Simplify right side
    170,158.34x = 19,217,198,436.86
  5. Step 5: Solve for x
    x = 19,217,198,436.86/170,158.34
  6. Step 6: Final answer
    x = 112,937.16

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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.