Home / 227,306.45-340,927.81-120,643.49

Finding the Fourth Proportional to 227,306.45, 340,927.81 and 120,643.49

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Solution

The fourth proportional to 227,306.45, 340,927.81 and 120,643.49 is: 180,948.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,306.45 : 340,927.81 = 120,643.49 : x
  2. Step 2: Convert to fraction form
    227,306.45/340,927.81 = 120,643.49/x
  3. Step 3: Cross multiply
    227,306.45x = 340,927.81 × 120,643.49
  4. Step 4: Simplify right side
    227,306.45x = 41,130,720,836.46
  5. Step 5: Solve for x
    x = 41,130,720,836.46/227,306.45
  6. Step 6: Final answer
    x = 180,948.32

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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.