Home / 291,227.08-401,826.90-163,856.20

Finding the Fourth Proportional to 291,227.08, 401,826.90 and 163,856.20

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Solution

The fourth proportional to 291,227.08, 401,826.90 and 163,856.20 is: 226,084.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,227.08 : 401,826.90 = 163,856.20 : x
  2. Step 2: Convert to fraction form
    291,227.08/401,826.90 = 163,856.20/x
  3. Step 3: Cross multiply
    291,227.08x = 401,826.90 × 163,856.20
  4. Step 4: Simplify right side
    291,227.08x = 65,841,828,891.78
  5. Step 5: Solve for x
    x = 65,841,828,891.78/291,227.08
  6. Step 6: Final answer
    x = 226,084.16

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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.