Home / 181,448.91-272,142.63-55,058.67

Finding the Fourth Proportional to 181,448.91, 272,142.63 and 55,058.67

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Solution

The fourth proportional to 181,448.91, 272,142.63 and 55,058.67 is: 82,578.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,448.91 : 272,142.63 = 55,058.67 : x
  2. Step 2: Convert to fraction form
    181,448.91/272,142.63 = 55,058.67/x
  3. Step 3: Cross multiply
    181,448.91x = 272,142.63 × 55,058.67
  4. Step 4: Simplify right side
    181,448.91x = 14,983,811,258.10
  5. Step 5: Solve for x
    x = 14,983,811,258.10/181,448.91
  6. Step 6: Final answer
    x = 82,578.68

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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.