Home / 175,586.49-242,309.07-99,121.68

Finding the Fourth Proportional to 175,586.49, 242,309.07 and 99,121.68

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Solution

The fourth proportional to 175,586.49, 242,309.07 and 99,121.68 is: 136,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,586.49 : 242,309.07 = 99,121.68 : x
  2. Step 2: Convert to fraction form
    175,586.49/242,309.07 = 99,121.68/x
  3. Step 3: Cross multiply
    175,586.49x = 242,309.07 × 99,121.68
  4. Step 4: Simplify right side
    175,586.49x = 24,018,082,097.64
  5. Step 5: Solve for x
    x = 24,018,082,097.64/175,586.49
  6. Step 6: Final answer
    x = 136,787.76

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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.