Home / 118,239.38-163,190.61-112,924.82

Finding the Fourth Proportional to 118,239.38, 163,190.61 and 112,924.82

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Solution

The fourth proportional to 118,239.38, 163,190.61 and 112,924.82 is: 155,855.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,239.38 : 163,190.61 = 112,924.82 : x
  2. Step 2: Convert to fraction form
    118,239.38/163,190.61 = 112,924.82/x
  3. Step 3: Cross multiply
    118,239.38x = 163,190.61 × 112,924.82
  4. Step 4: Simplify right side
    118,239.38x = 18,428,270,259.94
  5. Step 5: Solve for x
    x = 18,428,270,259.94/118,239.38
  6. Step 6: Final answer
    x = 155,855.61

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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.