Home / 171,272.34-236,406.36-99,684.18

Finding the Fourth Proportional to 171,272.34, 236,406.36 and 99,684.18

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Solution

The fourth proportional to 171,272.34, 236,406.36 and 99,684.18 is: 137,593.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,272.34 : 236,406.36 = 99,684.18 : x
  2. Step 2: Convert to fraction form
    171,272.34/236,406.36 = 99,684.18/x
  3. Step 3: Cross multiply
    171,272.34x = 236,406.36 × 99,684.18
  4. Step 4: Simplify right side
    171,272.34x = 23,565,974,143.38
  5. Step 5: Solve for x
    x = 23,565,974,143.38/171,272.34
  6. Step 6: Final answer
    x = 137,593.58

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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.