Home / 291,070.11-401,529.77-170,132.38

Finding the Fourth Proportional to 291,070.11, 401,529.77 and 170,132.38

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Solution

The fourth proportional to 291,070.11, 401,529.77 and 170,132.38 is: 234,696.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,070.11 : 401,529.77 = 170,132.38 : x
  2. Step 2: Convert to fraction form
    291,070.11/401,529.77 = 170,132.38/x
  3. Step 3: Cross multiply
    291,070.11x = 401,529.77 × 170,132.38
  4. Step 4: Simplify right side
    291,070.11x = 68,313,215,410.95
  5. Step 5: Solve for x
    x = 68,313,215,410.95/291,070.11
  6. Step 6: Final answer
    x = 234,696.77

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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.