Home / 106,435.18-146,901.84-61,144.22

Finding the Fourth Proportional to 106,435.18, 146,901.84 and 61,144.22

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Solution

The fourth proportional to 106,435.18, 146,901.84 and 61,144.22 is: 84,391.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,435.18 : 146,901.84 = 61,144.22 : x
  2. Step 2: Convert to fraction form
    106,435.18/146,901.84 = 61,144.22/x
  3. Step 3: Cross multiply
    106,435.18x = 146,901.84 × 61,144.22
  4. Step 4: Simplify right side
    106,435.18x = 8,982,198,423.36
  5. Step 5: Solve for x
    x = 8,982,198,423.36/106,435.18
  6. Step 6: Final answer
    x = 84,391.26

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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.