Home / 197,147.96-272,063.89-112,265.05

Finding the Fourth Proportional to 197,147.96, 272,063.89 and 112,265.05

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Solution

The fourth proportional to 197,147.96, 272,063.89 and 112,265.05 is: 154,925.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,147.96 : 272,063.89 = 112,265.05 : x
  2. Step 2: Convert to fraction form
    197,147.96/272,063.89 = 112,265.05/x
  3. Step 3: Cross multiply
    197,147.96x = 272,063.89 × 112,265.05
  4. Step 4: Simplify right side
    197,147.96x = 30,543,266,214.04
  5. Step 5: Solve for x
    x = 30,543,266,214.04/197,147.96
  6. Step 6: Final answer
    x = 154,925.60

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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.