Home / 352,865.16-486,954.45-191,720.15

Finding the Fourth Proportional to 352,865.16, 486,954.45 and 191,720.15

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Solution

The fourth proportional to 352,865.16, 486,954.45 and 191,720.15 is: 264,574.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,865.16 : 486,954.45 = 191,720.15 : x
  2. Step 2: Convert to fraction form
    352,865.16/486,954.45 = 191,720.15/x
  3. Step 3: Cross multiply
    352,865.16x = 486,954.45 × 191,720.15
  4. Step 4: Simplify right side
    352,865.16x = 93,358,979,588.47
  5. Step 5: Solve for x
    x = 93,358,979,588.47/352,865.16
  6. Step 6: Final answer
    x = 264,574.09

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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.