Home / 291,069.32-401,615.07-170,187.14

Finding the Fourth Proportional to 291,069.32, 401,615.07 and 170,187.14

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Solution

The fourth proportional to 291,069.32, 401,615.07 and 170,187.14 is: 234,822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,069.32 : 401,615.07 = 170,187.14 : x
  2. Step 2: Convert to fraction form
    291,069.32/401,615.07 = 170,187.14/x
  3. Step 3: Cross multiply
    291,069.32x = 401,615.07 × 170,187.14
  4. Step 4: Simplify right side
    291,069.32x = 68,349,720,144.20
  5. Step 5: Solve for x
    x = 68,349,720,144.20/291,069.32
  6. Step 6: Final answer
    x = 234,822.83

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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.