Home / 291,089.12-401,555.99-170,151.39

Finding the Fourth Proportional to 291,089.12, 401,555.99 and 170,151.39

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Solution

The fourth proportional to 291,089.12, 401,555.99 and 170,151.39 is: 234,723.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,089.12 : 401,555.99 = 170,151.39 : x
  2. Step 2: Convert to fraction form
    291,089.12/401,555.99 = 170,151.39/x
  3. Step 3: Cross multiply
    291,089.12x = 401,555.99 × 170,151.39
  4. Step 4: Simplify right side
    291,089.12x = 68,325,309,010.57
  5. Step 5: Solve for x
    x = 68,325,309,010.57/291,089.12
  6. Step 6: Final answer
    x = 234,723.00

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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.