Home / 197,697.38-272,823.68-107,053.35

Finding the Fourth Proportional to 197,697.38, 272,823.68 and 107,053.35

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Solution

The fourth proportional to 197,697.38, 272,823.68 and 107,053.35 is: 147,734.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,697.38 : 272,823.68 = 107,053.35 : x
  2. Step 2: Convert to fraction form
    197,697.38/272,823.68 = 107,053.35/x
  3. Step 3: Cross multiply
    197,697.38x = 272,823.68 × 107,053.35
  4. Step 4: Simplify right side
    197,697.38x = 29,206,688,903.33
  5. Step 5: Solve for x
    x = 29,206,688,903.33/197,697.38
  6. Step 6: Final answer
    x = 147,734.32

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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.