Home / 175,830.82-242,632.08-99,356.56

Finding the Fourth Proportional to 175,830.82, 242,632.08 and 99,356.56

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Solution

The fourth proportional to 175,830.82, 242,632.08 and 99,356.56 is: 137,103.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,830.82 : 242,632.08 = 99,356.56 : x
  2. Step 2: Convert to fraction form
    175,830.82/242,632.08 = 99,356.56/x
  3. Step 3: Cross multiply
    175,830.82x = 242,632.08 × 99,356.56
  4. Step 4: Simplify right side
    175,830.82x = 24,107,088,814.44
  5. Step 5: Solve for x
    x = 24,107,088,814.44/175,830.82
  6. Step 6: Final answer
    x = 137,103.89

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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.