Home / 106,222.16-146,492.04-83,827.28

Finding the Fourth Proportional to 106,222.16, 146,492.04 and 83,827.28

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Solution

The fourth proportional to 106,222.16, 146,492.04 and 83,827.28 is: 115,607.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,222.16 : 146,492.04 = 83,827.28 : x
  2. Step 2: Convert to fraction form
    106,222.16/146,492.04 = 83,827.28/x
  3. Step 3: Cross multiply
    106,222.16x = 146,492.04 × 83,827.28
  4. Step 4: Simplify right side
    106,222.16x = 12,280,029,254.85
  5. Step 5: Solve for x
    x = 12,280,029,254.85/106,222.16
  6. Step 6: Final answer
    x = 115,607.04

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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.