Home / 198,134.84-273,488.64-133,697.72

Finding the Fourth Proportional to 198,134.84, 273,488.64 and 133,697.72

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Solution

The fourth proportional to 198,134.84, 273,488.64 and 133,697.72 is: 184,545.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,134.84 : 273,488.64 = 133,697.72 : x
  2. Step 2: Convert to fraction form
    198,134.84/273,488.64 = 133,697.72/x
  3. Step 3: Cross multiply
    198,134.84x = 273,488.64 × 133,697.72
  4. Step 4: Simplify right side
    198,134.84x = 36,564,807,613.90
  5. Step 5: Solve for x
    x = 36,564,807,613.90/198,134.84
  6. Step 6: Final answer
    x = 184,545.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.