Home / 190,111.22-262,335.54-113,615.10

Finding the Fourth Proportional to 190,111.22, 262,335.54 and 113,615.10

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Solution

The fourth proportional to 190,111.22, 262,335.54 and 113,615.10 is: 156,778.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,111.22 : 262,335.54 = 113,615.10 : x
  2. Step 2: Convert to fraction form
    190,111.22/262,335.54 = 113,615.10/x
  3. Step 3: Cross multiply
    190,111.22x = 262,335.54 × 113,615.10
  4. Step 4: Simplify right side
    190,111.22x = 29,805,278,610.65
  5. Step 5: Solve for x
    x = 29,805,278,610.65/190,111.22
  6. Step 6: Final answer
    x = 156,778.11

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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.