Home / 125,298.15-188,040.64-50,418.93

Finding the Fourth Proportional to 125,298.15, 188,040.64 and 50,418.93

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Solution

The fourth proportional to 125,298.15, 188,040.64 and 50,418.93 is: 75,665.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,298.15 : 188,040.64 = 50,418.93 : x
  2. Step 2: Convert to fraction form
    125,298.15/188,040.64 = 50,418.93/x
  3. Step 3: Cross multiply
    125,298.15x = 188,040.64 × 50,418.93
  4. Step 4: Simplify right side
    125,298.15x = 9,480,807,865.32
  5. Step 5: Solve for x
    x = 9,480,807,865.32/125,298.15
  6. Step 6: Final answer
    x = 75,665.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.