Home / 124,857.25-172,300.39-68,268.62

Finding the Fourth Proportional to 124,857.25, 172,300.39 and 68,268.62

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Solution

The fourth proportional to 124,857.25, 172,300.39 and 68,268.62 is: 94,209.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,857.25 : 172,300.39 = 68,268.62 : x
  2. Step 2: Convert to fraction form
    124,857.25/172,300.39 = 68,268.62/x
  3. Step 3: Cross multiply
    124,857.25x = 172,300.39 × 68,268.62
  4. Step 4: Simplify right side
    124,857.25x = 11,762,710,110.84
  5. Step 5: Solve for x
    x = 11,762,710,110.84/124,857.25
  6. Step 6: Final answer
    x = 94,209.27

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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.