Home / 197,200.08-272,191.92-116,655.60

Finding the Fourth Proportional to 197,200.08, 272,191.92 and 116,655.60

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Solution

The fourth proportional to 197,200.08, 272,191.92 and 116,655.60 is: 161,017.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,200.08 : 272,191.92 = 116,655.60 : x
  2. Step 2: Convert to fraction form
    197,200.08/272,191.92 = 116,655.60/x
  3. Step 3: Cross multiply
    197,200.08x = 272,191.92 × 116,655.60
  4. Step 4: Simplify right side
    197,200.08x = 31,752,711,742.75
  5. Step 5: Solve for x
    x = 31,752,711,742.75/197,200.08
  6. Step 6: Final answer
    x = 161,017.74

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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.