Home / 125,653.14-173,399.20-68,293.40

Finding the Fourth Proportional to 125,653.14, 173,399.20 and 68,293.40

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Solution

The fourth proportional to 125,653.14, 173,399.20 and 68,293.40 is: 94,243.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,653.14 : 173,399.20 = 68,293.40 : x
  2. Step 2: Convert to fraction form
    125,653.14/173,399.20 = 68,293.40/x
  3. Step 3: Cross multiply
    125,653.14x = 173,399.20 × 68,293.40
  4. Step 4: Simplify right side
    125,653.14x = 11,842,019,887.55
  5. Step 5: Solve for x
    x = 11,842,019,887.55/125,653.14
  6. Step 6: Final answer
    x = 94,243.72

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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.