Home / 197,174.52-272,149.20-112,341.60

Finding the Fourth Proportional to 197,174.52, 272,149.20 and 112,341.60

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Solution

The fourth proportional to 197,174.52, 272,149.20 and 112,341.60 is: 155,058.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,174.52 : 272,149.20 = 112,341.60 : x
  2. Step 2: Convert to fraction form
    197,174.52/272,149.20 = 112,341.60/x
  3. Step 3: Cross multiply
    197,174.52x = 272,149.20 × 112,341.60
  4. Step 4: Simplify right side
    197,174.52x = 30,573,676,566.72
  5. Step 5: Solve for x
    x = 30,573,676,566.72/197,174.52
  6. Step 6: Final answer
    x = 155,058.96

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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.