Home / 229,556.40-316,787.52-127,578.62

Finding the Fourth Proportional to 229,556.40, 316,787.52 and 127,578.62

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Solution

The fourth proportional to 229,556.40, 316,787.52 and 127,578.62 is: 176,058.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,556.40 : 316,787.52 = 127,578.62 : x
  2. Step 2: Convert to fraction form
    229,556.40/316,787.52 = 127,578.62/x
  3. Step 3: Cross multiply
    229,556.40x = 316,787.52 × 127,578.62
  4. Step 4: Simplify right side
    229,556.40x = 40,415,314,634.82
  5. Step 5: Solve for x
    x = 40,415,314,634.82/229,556.40
  6. Step 6: Final answer
    x = 176,058.32

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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.