Home / 171,370.30-236,433.78-99,735.13

Finding the Fourth Proportional to 171,370.30, 236,433.78 and 99,735.13

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Solution

The fourth proportional to 171,370.30, 236,433.78 and 99,735.13 is: 137,601.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,370.30 : 236,433.78 = 99,735.13 : x
  2. Step 2: Convert to fraction form
    171,370.30/236,433.78 = 99,735.13/x
  3. Step 3: Cross multiply
    171,370.30x = 236,433.78 × 99,735.13
  4. Step 4: Simplify right side
    171,370.30x = 23,580,753,784.69
  5. Step 5: Solve for x
    x = 23,580,753,784.69/171,370.30
  6. Step 6: Final answer
    x = 137,601.17

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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.