Home / 212,938.48-293,869.68-123,514.48

Finding the Fourth Proportional to 212,938.48, 293,869.68 and 123,514.48

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Solution

The fourth proportional to 212,938.48, 293,869.68 and 123,514.48 is: 170,458.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,938.48 : 293,869.68 = 123,514.48 : x
  2. Step 2: Convert to fraction form
    212,938.48/293,869.68 = 123,514.48/x
  3. Step 3: Cross multiply
    212,938.48x = 293,869.68 × 123,514.48
  4. Step 4: Simplify right side
    212,938.48x = 36,297,160,712.97
  5. Step 5: Solve for x
    x = 36,297,160,712.97/212,938.48
  6. Step 6: Final answer
    x = 170,458.44

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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.