Home / 150,640.65-208,159.17-109,733.58

Finding the Fourth Proportional to 150,640.65, 208,159.17 and 109,733.58

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Solution

The fourth proportional to 150,640.65, 208,159.17 and 109,733.58 is: 151,632.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,640.65 : 208,159.17 = 109,733.58 : x
  2. Step 2: Convert to fraction form
    150,640.65/208,159.17 = 109,733.58/x
  3. Step 3: Cross multiply
    150,640.65x = 208,159.17 × 109,733.58
  4. Step 4: Simplify right side
    150,640.65x = 22,842,050,933.93
  5. Step 5: Solve for x
    x = 22,842,050,933.93/150,640.65
  6. Step 6: Final answer
    x = 151,632.72

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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.