Home / 106,537.79-147,017.16-61,183.80

Finding the Fourth Proportional to 106,537.79, 147,017.16 and 61,183.80

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Solution

The fourth proportional to 106,537.79, 147,017.16 and 61,183.80 is: 84,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,537.79 : 147,017.16 = 61,183.80 : x
  2. Step 2: Convert to fraction form
    106,537.79/147,017.16 = 61,183.80/x
  3. Step 3: Cross multiply
    106,537.79x = 147,017.16 × 61,183.80
  4. Step 4: Simplify right side
    106,537.79x = 8,995,068,514.01
  5. Step 5: Solve for x
    x = 8,995,068,514.01/106,537.79
  6. Step 6: Final answer
    x = 84,430.78

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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.