Home / 106,111.41-159,209.64-38,648.16

Finding the Fourth Proportional to 106,111.41, 159,209.64 and 38,648.16

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Solution

The fourth proportional to 106,111.41, 159,209.64 and 38,648.16 is: 57,987.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,111.41 : 159,209.64 = 38,648.16 : x
  2. Step 2: Convert to fraction form
    106,111.41/159,209.64 = 38,648.16/x
  3. Step 3: Cross multiply
    106,111.41x = 159,209.64 × 38,648.16
  4. Step 4: Simplify right side
    106,111.41x = 6,153,159,640.26
  5. Step 5: Solve for x
    x = 6,153,159,640.26/106,111.41
  6. Step 6: Final answer
    x = 57,987.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.