Home / 181,380.50-272,075.62-56,721.50

Finding the Fourth Proportional to 181,380.50, 272,075.62 and 56,721.50

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Solution

The fourth proportional to 181,380.50, 272,075.62 and 56,721.50 is: 85,083.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,380.50 : 272,075.62 = 56,721.50 : x
  2. Step 2: Convert to fraction form
    181,380.50/272,075.62 = 56,721.50/x
  3. Step 3: Cross multiply
    181,380.50x = 272,075.62 × 56,721.50
  4. Step 4: Simplify right side
    181,380.50x = 15,432,537,279.83
  5. Step 5: Solve for x
    x = 15,432,537,279.83/181,380.50
  6. Step 6: Final answer
    x = 85,083.77

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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.