Home / 172,404.65-237,951.18-107,903.85

Finding the Fourth Proportional to 172,404.65, 237,951.18 and 107,903.85

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Solution

The fourth proportional to 172,404.65, 237,951.18 and 107,903.85 is: 148,927.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,404.65 : 237,951.18 = 107,903.85 : x
  2. Step 2: Convert to fraction form
    172,404.65/237,951.18 = 107,903.85/x
  3. Step 3: Cross multiply
    172,404.65x = 237,951.18 × 107,903.85
  4. Step 4: Simplify right side
    172,404.65x = 25,675,848,434.04
  5. Step 5: Solve for x
    x = 25,675,848,434.04/172,404.65
  6. Step 6: Final answer
    x = 148,927.82

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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.