Home / 214,963.61-296,643.40-123,079.84

Finding the Fourth Proportional to 214,963.61, 296,643.40 and 123,079.84

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Solution

The fourth proportional to 214,963.61, 296,643.40 and 123,079.84 is: 169,846.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,963.61 : 296,643.40 = 123,079.84 : x
  2. Step 2: Convert to fraction form
    214,963.61/296,643.40 = 123,079.84/x
  3. Step 3: Cross multiply
    214,963.61x = 296,643.40 × 123,079.84
  4. Step 4: Simplify right side
    214,963.61x = 36,510,821,159.75
  5. Step 5: Solve for x
    x = 36,510,821,159.75/214,963.61
  6. Step 6: Final answer
    x = 169,846.52

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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.