Home / 125,102.30-187,653.83-30,332.07

Finding the Fourth Proportional to 125,102.30, 187,653.83 and 30,332.07

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Solution

The fourth proportional to 125,102.30, 187,653.83 and 30,332.07 is: 45,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,102.30 : 187,653.83 = 30,332.07 : x
  2. Step 2: Convert to fraction form
    125,102.30/187,653.83 = 30,332.07/x
  3. Step 3: Cross multiply
    125,102.30x = 187,653.83 × 30,332.07
  4. Step 4: Simplify right side
    125,102.30x = 5,691,928,955.67
  5. Step 5: Solve for x
    x = 5,691,928,955.67/125,102.30
  6. Step 6: Final answer
    x = 45,498.20

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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.