Home / 124,137.38-186,206.54-30,643.13

Finding the Fourth Proportional to 124,137.38, 186,206.54 and 30,643.13

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Solution

The fourth proportional to 124,137.38, 186,206.54 and 30,643.13 is: 45,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,137.38 : 186,206.54 = 30,643.13 : x
  2. Step 2: Convert to fraction form
    124,137.38/186,206.54 = 30,643.13/x
  3. Step 3: Cross multiply
    124,137.38x = 186,206.54 × 30,643.13
  4. Step 4: Simplify right side
    124,137.38x = 5,705,950,127.82
  5. Step 5: Solve for x
    x = 5,705,950,127.82/124,137.38
  6. Step 6: Final answer
    x = 45,964.80

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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.