Home / 352,155.16-485,970.55-191,006.75

Finding the Fourth Proportional to 352,155.16, 485,970.55 and 191,006.75

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Solution

The fourth proportional to 352,155.16, 485,970.55 and 191,006.75 is: 263,587.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,155.16 : 485,970.55 = 191,006.75 : x
  2. Step 2: Convert to fraction form
    352,155.16/485,970.55 = 191,006.75/x
  3. Step 3: Cross multiply
    352,155.16x = 485,970.55 × 191,006.75
  4. Step 4: Simplify right side
    352,155.16x = 92,823,655,351.21
  5. Step 5: Solve for x
    x = 92,823,655,351.21/352,155.16
  6. Step 6: Final answer
    x = 263,587.38

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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.