Home / 291,832.20-402,818.16-171,012.40

Finding the Fourth Proportional to 291,832.20, 402,818.16 and 171,012.40

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Solution

The fourth proportional to 291,832.20, 402,818.16 and 171,012.40 is: 236,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,832.20 : 402,818.16 = 171,012.40 : x
  2. Step 2: Convert to fraction form
    291,832.20/402,818.16 = 171,012.40/x
  3. Step 3: Cross multiply
    291,832.20x = 402,818.16 × 171,012.40
  4. Step 4: Simplify right side
    291,832.20x = 68,886,899,298.14
  5. Step 5: Solve for x
    x = 68,886,899,298.14/291,832.20
  6. Step 6: Final answer
    x = 236,049.69

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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.