Home / 185,000.29-255,218.93-108,480.53

Finding the Fourth Proportional to 185,000.29, 255,218.93 and 108,480.53

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Solution

The fourth proportional to 185,000.29, 255,218.93 and 108,480.53 is: 149,655.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,000.29 : 255,218.93 = 108,480.53 : x
  2. Step 2: Convert to fraction form
    185,000.29/255,218.93 = 108,480.53/x
  3. Step 3: Cross multiply
    185,000.29x = 255,218.93 × 108,480.53
  4. Step 4: Simplify right side
    185,000.29x = 27,686,285,294.88
  5. Step 5: Solve for x
    x = 27,686,285,294.88/185,000.29
  6. Step 6: Final answer
    x = 149,655.36

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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.