Home / 181,684.89-272,538.27-76,512.06

Finding the Fourth Proportional to 181,684.89, 272,538.27 and 76,512.06

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Solution

The fourth proportional to 181,684.89, 272,538.27 and 76,512.06 is: 114,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,684.89 : 272,538.27 = 76,512.06 : x
  2. Step 2: Convert to fraction form
    181,684.89/272,538.27 = 76,512.06/x
  3. Step 3: Cross multiply
    181,684.89x = 272,538.27 × 76,512.06
  4. Step 4: Simplify right side
    181,684.89x = 20,852,464,466.54
  5. Step 5: Solve for x
    x = 20,852,464,466.54/181,684.89
  6. Step 6: Final answer
    x = 114,772.70

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1.5x scale

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.