Home / 170,123.72-234,755.46-98,508.59

Finding the Fourth Proportional to 170,123.72, 234,755.46 and 98,508.59

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Solution

The fourth proportional to 170,123.72, 234,755.46 and 98,508.59 is: 135,933.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,123.72 : 234,755.46 = 98,508.59 : x
  2. Step 2: Convert to fraction form
    170,123.72/234,755.46 = 98,508.59/x
  3. Step 3: Cross multiply
    170,123.72x = 234,755.46 × 98,508.59
  4. Step 4: Simplify right side
    170,123.72x = 23,125,429,359.40
  5. Step 5: Solve for x
    x = 23,125,429,359.40/170,123.72
  6. Step 6: Final answer
    x = 135,933.01

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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.