Home / 290,856.84-401,247.72-170,003.22

Finding the Fourth Proportional to 290,856.84, 401,247.72 and 170,003.22

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Solution

The fourth proportional to 290,856.84, 401,247.72 and 170,003.22 is: 234,525.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,856.84 : 401,247.72 = 170,003.22 : x
  2. Step 2: Convert to fraction form
    290,856.84/401,247.72 = 170,003.22/x
  3. Step 3: Cross multiply
    290,856.84x = 401,247.72 × 170,003.22
  4. Step 4: Simplify right side
    290,856.84x = 68,213,404,417.66
  5. Step 5: Solve for x
    x = 68,213,404,417.66/290,856.84
  6. Step 6: Final answer
    x = 234,525.70

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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.