Home / 125,603.45-173,332.14-68,242.38

Finding the Fourth Proportional to 125,603.45, 173,332.14 and 68,242.38

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Solution

The fourth proportional to 125,603.45, 173,332.14 and 68,242.38 is: 94,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,603.45 : 173,332.14 = 68,242.38 : x
  2. Step 2: Convert to fraction form
    125,603.45/173,332.14 = 68,242.38/x
  3. Step 3: Cross multiply
    125,603.45x = 173,332.14 × 68,242.38
  4. Step 4: Simplify right side
    125,603.45x = 11,828,597,764.09
  5. Step 5: Solve for x
    x = 11,828,597,764.09/125,603.45
  6. Step 6: Final answer
    x = 94,174.15

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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.