Home / 197,301.03-272,275.05-106,657.05

Finding the Fourth Proportional to 197,301.03, 272,275.05 and 106,657.05

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Solution

The fourth proportional to 197,301.03, 272,275.05 and 106,657.05 is: 147,186.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,301.03 : 272,275.05 = 106,657.05 : x
  2. Step 2: Convert to fraction form
    197,301.03/272,275.05 = 106,657.05/x
  3. Step 3: Cross multiply
    197,301.03x = 272,275.05 × 106,657.05
  4. Step 4: Simplify right side
    197,301.03x = 29,040,053,621.60
  5. Step 5: Solve for x
    x = 29,040,053,621.60/197,301.03
  6. Step 6: Final answer
    x = 147,186.53

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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.