Home / 138,546.03-191,104.88-96,089.07

Finding the Fourth Proportional to 138,546.03, 191,104.88 and 96,089.07

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Solution

The fourth proportional to 138,546.03, 191,104.88 and 96,089.07 is: 132,541.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,546.03 : 191,104.88 = 96,089.07 : x
  2. Step 2: Convert to fraction form
    138,546.03/191,104.88 = 96,089.07/x
  3. Step 3: Cross multiply
    138,546.03x = 191,104.88 × 96,089.07
  4. Step 4: Simplify right side
    138,546.03x = 18,363,089,711.22
  5. Step 5: Solve for x
    x = 18,363,089,711.22/138,546.03
  6. Step 6: Final answer
    x = 132,541.44

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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.