Home / 313,536.36-432,748.44-192,781.16

Finding the Fourth Proportional to 313,536.36, 432,748.44 and 192,781.16

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Solution

The fourth proportional to 313,536.36, 432,748.44 and 192,781.16 is: 266,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,536.36 : 432,748.44 = 192,781.16 : x
  2. Step 2: Convert to fraction form
    313,536.36/432,748.44 = 192,781.16/x
  3. Step 3: Cross multiply
    313,536.36x = 432,748.44 × 192,781.16
  4. Step 4: Simplify right side
    313,536.36x = 83,425,746,251.39
  5. Step 5: Solve for x
    x = 83,425,746,251.39/313,536.36
  6. Step 6: Final answer
    x = 266,079.97

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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.