Home / 155,072.15-232,640.51-48,451.80

Finding the Fourth Proportional to 155,072.15, 232,640.51 and 48,451.80

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Solution

The fourth proportional to 155,072.15, 232,640.51 and 48,451.80 is: 72,687.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,072.15 : 232,640.51 = 48,451.80 : x
  2. Step 2: Convert to fraction form
    155,072.15/232,640.51 = 48,451.80/x
  3. Step 3: Cross multiply
    155,072.15x = 232,640.51 × 48,451.80
  4. Step 4: Simplify right side
    155,072.15x = 11,271,851,462.42
  5. Step 5: Solve for x
    x = 11,271,851,462.42/155,072.15
  6. Step 6: Final answer
    x = 72,687.79

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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.