Home / 106,822.60-160,233.90-89,715.40

Finding the Fourth Proportional to 106,822.60, 160,233.90 and 89,715.40

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Solution

The fourth proportional to 106,822.60, 160,233.90 and 89,715.40 is: 134,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,822.60 : 160,233.90 = 89,715.40 : x
  2. Step 2: Convert to fraction form
    106,822.60/160,233.90 = 89,715.40/x
  3. Step 3: Cross multiply
    106,822.60x = 160,233.90 × 89,715.40
  4. Step 4: Simplify right side
    106,822.60x = 14,375,448,432.06
  5. Step 5: Solve for x
    x = 14,375,448,432.06/106,822.60
  6. Step 6: Final answer
    x = 134,573.10

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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.