Home / 172,555.70-238,126.38-97,104.20

Finding the Fourth Proportional to 172,555.70, 238,126.38 and 97,104.20

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Solution

The fourth proportional to 172,555.70, 238,126.38 and 97,104.20 is: 134,003.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,555.70 : 238,126.38 = 97,104.20 : x
  2. Step 2: Convert to fraction form
    172,555.70/238,126.38 = 97,104.20/x
  3. Step 3: Cross multiply
    172,555.70x = 238,126.38 × 97,104.20
  4. Step 4: Simplify right side
    172,555.70x = 23,123,071,628.80
  5. Step 5: Solve for x
    x = 23,123,071,628.80/172,555.70
  6. Step 6: Final answer
    x = 134,003.52

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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.