Home / 156,983.71-216,630.94-89,005.26

Finding the Fourth Proportional to 156,983.71, 216,630.94 and 89,005.26

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Solution

The fourth proportional to 156,983.71, 216,630.94 and 89,005.26 is: 122,823.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,983.71 : 216,630.94 = 89,005.26 : x
  2. Step 2: Convert to fraction form
    156,983.71/216,630.94 = 89,005.26/x
  3. Step 3: Cross multiply
    156,983.71x = 216,630.94 × 89,005.26
  4. Step 4: Simplify right side
    156,983.71x = 19,281,293,109.97
  5. Step 5: Solve for x
    x = 19,281,293,109.97/156,983.71
  6. Step 6: Final answer
    x = 122,823.52

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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.