Home / 368,117.70-552,176.55-131,727.30

Finding the Fourth Proportional to 368,117.70, 552,176.55 and 131,727.30

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Solution

The fourth proportional to 368,117.70, 552,176.55 and 131,727.30 is: 197,590.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,117.70 : 552,176.55 = 131,727.30 : x
  2. Step 2: Convert to fraction form
    368,117.70/552,176.55 = 131,727.30/x
  3. Step 3: Cross multiply
    368,117.70x = 552,176.55 × 131,727.30
  4. Step 4: Simplify right side
    368,117.70x = 72,736,726,054.82
  5. Step 5: Solve for x
    x = 72,736,726,054.82/368,117.70
  6. Step 6: Final answer
    x = 197,590.95

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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.