Home / 352,400.72-486,316.64-191,257.16

Finding the Fourth Proportional to 352,400.72, 486,316.64 and 191,257.16

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Solution

The fourth proportional to 352,400.72, 486,316.64 and 191,257.16 is: 263,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,400.72 : 486,316.64 = 191,257.16 : x
  2. Step 2: Convert to fraction form
    352,400.72/486,316.64 = 191,257.16/x
  3. Step 3: Cross multiply
    352,400.72x = 486,316.64 × 191,257.16
  4. Step 4: Simplify right side
    352,400.72x = 93,011,539,686.65
  5. Step 5: Solve for x
    x = 93,011,539,686.65/352,400.72
  6. Step 6: Final answer
    x = 263,936.86

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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.