Home / 229,356.12-316,578.78-152,986.44

Finding the Fourth Proportional to 229,356.12, 316,578.78 and 152,986.44

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Solution

The fourth proportional to 229,356.12, 316,578.78 and 152,986.44 is: 211,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,356.12 : 316,578.78 = 152,986.44 : x
  2. Step 2: Convert to fraction form
    229,356.12/316,578.78 = 152,986.44/x
  3. Step 3: Cross multiply
    229,356.12x = 316,578.78 × 152,986.44
  4. Step 4: Simplify right side
    229,356.12x = 48,432,260,531.74
  5. Step 5: Solve for x
    x = 48,432,260,531.74/229,356.12
  6. Step 6: Final answer
    x = 211,166.20

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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.