Home / 274,701.11-379,069.49-153,814.69

Finding the Fourth Proportional to 274,701.11, 379,069.49 and 153,814.69

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Solution

The fourth proportional to 274,701.11, 379,069.49 and 153,814.69 is: 212,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,701.11 : 379,069.49 = 153,814.69 : x
  2. Step 2: Convert to fraction form
    274,701.11/379,069.49 = 153,814.69/x
  3. Step 3: Cross multiply
    274,701.11x = 379,069.49 × 153,814.69
  4. Step 4: Simplify right side
    274,701.11x = 58,306,455,529.67
  5. Step 5: Solve for x
    x = 58,306,455,529.67/274,701.11
  6. Step 6: Final answer
    x = 212,254.17

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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.