Home / 181,531.80-272,297.70-114,755.40

Finding the Fourth Proportional to 181,531.80, 272,297.70 and 114,755.40

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Solution

The fourth proportional to 181,531.80, 272,297.70 and 114,755.40 is: 172,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,531.80 : 272,297.70 = 114,755.40 : x
  2. Step 2: Convert to fraction form
    181,531.80/272,297.70 = 114,755.40/x
  3. Step 3: Cross multiply
    181,531.80x = 272,297.70 × 114,755.40
  4. Step 4: Simplify right side
    181,531.80x = 31,247,631,482.58
  5. Step 5: Solve for x
    x = 31,247,631,482.58/181,531.80
  6. Step 6: Final answer
    x = 172,133.10

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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.