Home / 185,007.98-255,311.03-100,125.04

Finding the Fourth Proportional to 185,007.98, 255,311.03 and 100,125.04

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Solution

The fourth proportional to 185,007.98, 255,311.03 and 100,125.04 is: 138,172.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,007.98 : 255,311.03 = 100,125.04 : x
  2. Step 2: Convert to fraction form
    185,007.98/255,311.03 = 100,125.04/x
  3. Step 3: Cross multiply
    185,007.98x = 255,311.03 × 100,125.04
  4. Step 4: Simplify right side
    185,007.98x = 25,563,025,952.29
  5. Step 5: Solve for x
    x = 25,563,025,952.29/185,007.98
  6. Step 6: Final answer
    x = 138,172.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.