Home / 161,856.01-223,535.57-123,203.22

Finding the Fourth Proportional to 161,856.01, 223,535.57 and 123,203.22

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Solution

The fourth proportional to 161,856.01, 223,535.57 and 123,203.22 is: 170,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,856.01 : 223,535.57 = 123,203.22 : x
  2. Step 2: Convert to fraction form
    161,856.01/223,535.57 = 123,203.22/x
  3. Step 3: Cross multiply
    161,856.01x = 223,535.57 × 123,203.22
  4. Step 4: Simplify right side
    161,856.01x = 27,540,302,008.54
  5. Step 5: Solve for x
    x = 27,540,302,008.54/161,856.01
  6. Step 6: Final answer
    x = 170,153.10

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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.