Home / 207,421.16-311,377.77-174,550.55

Finding the Fourth Proportional to 207,421.16, 311,377.77 and 174,550.55

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Solution

The fourth proportional to 207,421.16, 311,377.77 and 174,550.55 is: 262,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,421.16 : 311,377.77 = 174,550.55 : x
  2. Step 2: Convert to fraction form
    207,421.16/311,377.77 = 174,550.55/x
  3. Step 3: Cross multiply
    207,421.16x = 311,377.77 × 174,550.55
  4. Step 4: Simplify right side
    207,421.16x = 54,351,159,454.38
  5. Step 5: Solve for x
    x = 54,351,159,454.38/207,421.16
  6. Step 6: Final answer
    x = 262,032.86

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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.