Home / 352,279.13-486,131.02-191,128.01

Finding the Fourth Proportional to 352,279.13, 486,131.02 and 191,128.01

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Solution

The fourth proportional to 352,279.13, 486,131.02 and 191,128.01 is: 263,748.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,279.13 : 486,131.02 = 191,128.01 : x
  2. Step 2: Convert to fraction form
    352,279.13/486,131.02 = 191,128.01/x
  3. Step 3: Cross multiply
    352,279.13x = 486,131.02 × 191,128.01
  4. Step 4: Simplify right side
    352,279.13x = 92,913,251,543.40
  5. Step 5: Solve for x
    x = 92,913,251,543.40/352,279.13
  6. Step 6: Final answer
    x = 263,748.96

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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.