Home / 166,756.72-230,146.52-98,768.20

Finding the Fourth Proportional to 166,756.72, 230,146.52 and 98,768.20

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Solution

The fourth proportional to 166,756.72, 230,146.52 and 98,768.20 is: 136,313.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,756.72 : 230,146.52 = 98,768.20 : x
  2. Step 2: Convert to fraction form
    166,756.72/230,146.52 = 98,768.20/x
  3. Step 3: Cross multiply
    166,756.72x = 230,146.52 × 98,768.20
  4. Step 4: Simplify right side
    166,756.72x = 22,731,157,516.66
  5. Step 5: Solve for x
    x = 22,731,157,516.66/166,756.72
  6. Step 6: Final answer
    x = 136,313.29

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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.