Home / 106,669.62-147,194.55-61,335.54

Finding the Fourth Proportional to 106,669.62, 147,194.55 and 61,335.54

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Solution

The fourth proportional to 106,669.62, 147,194.55 and 61,335.54 is: 84,637.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,669.62 : 147,194.55 = 61,335.54 : x
  2. Step 2: Convert to fraction form
    106,669.62/147,194.55 = 61,335.54/x
  3. Step 3: Cross multiply
    106,669.62x = 147,194.55 × 61,335.54
  4. Step 4: Simplify right side
    106,669.62x = 9,028,257,209.31
  5. Step 5: Solve for x
    x = 9,028,257,209.31/106,669.62
  6. Step 6: Final answer
    x = 84,637.57

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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.