Home / 314,964.88-472,643.24-127,976.38

Finding the Fourth Proportional to 314,964.88, 472,643.24 and 127,976.38

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Solution

The fourth proportional to 314,964.88, 472,643.24 and 127,976.38 is: 192,044.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,964.88 : 472,643.24 = 127,976.38 : x
  2. Step 2: Convert to fraction form
    314,964.88/472,643.24 = 127,976.38/x
  3. Step 3: Cross multiply
    314,964.88x = 472,643.24 × 127,976.38
  4. Step 4: Simplify right side
    314,964.88x = 60,487,170,886.67
  5. Step 5: Solve for x
    x = 60,487,170,886.67/314,964.88
  6. Step 6: Final answer
    x = 192,044.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.