Home / 106,341.10-146,761.06-79,436.90

Finding the Fourth Proportional to 106,341.10, 146,761.06 and 79,436.90

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Solution

The fourth proportional to 106,341.10, 146,761.06 and 79,436.90 is: 109,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,341.10 : 146,761.06 = 79,436.90 : x
  2. Step 2: Convert to fraction form
    106,341.10/146,761.06 = 79,436.90/x
  3. Step 3: Cross multiply
    106,341.10x = 146,761.06 × 79,436.90
  4. Step 4: Simplify right side
    106,341.10x = 11,658,243,647.11
  5. Step 5: Solve for x
    x = 11,658,243,647.11/106,341.10
  6. Step 6: Final answer
    x = 109,630.65

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1.5x scale

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.