Home / 145,235.08-217,763.43-50,424.53

Finding the Fourth Proportional to 145,235.08, 217,763.43 and 50,424.53

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Solution

The fourth proportional to 145,235.08, 217,763.43 and 50,424.53 is: 75,605.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,235.08 : 217,763.43 = 50,424.53 : x
  2. Step 2: Convert to fraction form
    145,235.08/217,763.43 = 50,424.53/x
  3. Step 3: Cross multiply
    145,235.08x = 217,763.43 × 50,424.53
  4. Step 4: Simplify right side
    145,235.08x = 10,980,619,116.79
  5. Step 5: Solve for x
    x = 10,980,619,116.79/145,235.08
  6. Step 6: Final answer
    x = 75,605.83

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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.