Home / 181,771.81-272,782.30-63,443.15

Finding the Fourth Proportional to 181,771.81, 272,782.30 and 63,443.15

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Solution

The fourth proportional to 181,771.81, 272,782.30 and 63,443.15 is: 95,208.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,771.81 : 272,782.30 = 63,443.15 : x
  2. Step 2: Convert to fraction form
    181,771.81/272,782.30 = 63,443.15/x
  3. Step 3: Cross multiply
    181,771.81x = 272,782.30 × 63,443.15
  4. Step 4: Simplify right side
    181,771.81x = 17,306,168,376.25
  5. Step 5: Solve for x
    x = 17,306,168,376.25/181,771.81
  6. Step 6: Final answer
    x = 95,208.21

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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.