Home / 181,776.15-272,533.01-76,537.71

Finding the Fourth Proportional to 181,776.15, 272,533.01 and 76,537.71

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Solution

The fourth proportional to 181,776.15, 272,533.01 and 76,537.71 is: 114,751.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,776.15 : 272,533.01 = 76,537.71 : x
  2. Step 2: Convert to fraction form
    181,776.15/272,533.01 = 76,537.71/x
  3. Step 3: Cross multiply
    181,776.15x = 272,533.01 × 76,537.71
  4. Step 4: Simplify right side
    181,776.15x = 20,859,052,102.12
  5. Step 5: Solve for x
    x = 20,859,052,102.12/181,776.15
  6. Step 6: Final answer
    x = 114,751.31

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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.