Home / 175,999.30-242,789.63-111,359.61

Finding the Fourth Proportional to 175,999.30, 242,789.63 and 111,359.61

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Solution

The fourth proportional to 175,999.30, 242,789.63 and 111,359.61 is: 153,619.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,999.30 : 242,789.63 = 111,359.61 : x
  2. Step 2: Convert to fraction form
    175,999.30/242,789.63 = 111,359.61/x
  3. Step 3: Cross multiply
    175,999.30x = 242,789.63 × 111,359.61
  4. Step 4: Simplify right side
    175,999.30x = 27,036,957,952.05
  5. Step 5: Solve for x
    x = 27,036,957,952.05/175,999.30
  6. Step 6: Final answer
    x = 153,619.69

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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.