Home / 229,551.47-316,827.86-157,154.57

Finding the Fourth Proportional to 229,551.47, 316,827.86 and 157,154.57

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Solution

The fourth proportional to 229,551.47, 316,827.86 and 157,154.57 is: 216,905.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,551.47 : 316,827.86 = 157,154.57 : x
  2. Step 2: Convert to fraction form
    229,551.47/316,827.86 = 157,154.57/x
  3. Step 3: Cross multiply
    229,551.47x = 316,827.86 × 157,154.57
  4. Step 4: Simplify right side
    229,551.47x = 49,790,943,732.41
  5. Step 5: Solve for x
    x = 49,790,943,732.41/229,551.47
  6. Step 6: Final answer
    x = 216,905.36

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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.