Home / 338,279.94-507,381.03-88,981.38

Finding the Fourth Proportional to 338,279.94, 507,381.03 and 88,981.38

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Solution

The fourth proportional to 338,279.94, 507,381.03 and 88,981.38 is: 133,461.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,279.94 : 507,381.03 = 88,981.38 : x
  2. Step 2: Convert to fraction form
    338,279.94/507,381.03 = 88,981.38/x
  3. Step 3: Cross multiply
    338,279.94x = 507,381.03 × 88,981.38
  4. Step 4: Simplify right side
    338,279.94x = 45,147,464,235.22
  5. Step 5: Solve for x
    x = 45,147,464,235.22/338,279.94
  6. Step 6: Final answer
    x = 133,461.84

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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.