Home / 272,429.15-375,942.76-149,910.08

Finding the Fourth Proportional to 272,429.15, 375,942.76 and 149,910.08

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Solution

The fourth proportional to 272,429.15, 375,942.76 and 149,910.08 is: 206,870.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,429.15 : 375,942.76 = 149,910.08 : x
  2. Step 2: Convert to fraction form
    272,429.15/375,942.76 = 149,910.08/x
  3. Step 3: Cross multiply
    272,429.15x = 375,942.76 × 149,910.08
  4. Step 4: Simplify right side
    272,429.15x = 56,357,606,972.53
  5. Step 5: Solve for x
    x = 56,357,606,972.53/272,429.15
  6. Step 6: Final answer
    x = 206,870.70

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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.