Home / 197,767.98-272,937.60-112,912.38

Finding the Fourth Proportional to 197,767.98, 272,937.60 and 112,912.38

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Solution

The fourth proportional to 197,767.98, 272,937.60 and 112,912.38 is: 155,829.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,767.98 : 272,937.60 = 112,912.38 : x
  2. Step 2: Convert to fraction form
    197,767.98/272,937.60 = 112,912.38/x
  3. Step 3: Cross multiply
    197,767.98x = 272,937.60 × 112,912.38
  4. Step 4: Simplify right side
    197,767.98x = 30,818,034,007.49
  5. Step 5: Solve for x
    x = 30,818,034,007.49/197,767.98
  6. Step 6: Final answer
    x = 155,829.24

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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.