Home / 172,288.68-237,805.40-111,856.20

Finding the Fourth Proportional to 172,288.68, 237,805.40 and 111,856.20

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Solution

The fourth proportional to 172,288.68, 237,805.40 and 111,856.20 is: 154,392.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,288.68 : 237,805.40 = 111,856.20 : x
  2. Step 2: Convert to fraction form
    172,288.68/237,805.40 = 111,856.20/x
  3. Step 3: Cross multiply
    172,288.68x = 237,805.40 × 111,856.20
  4. Step 4: Simplify right side
    172,288.68x = 26,600,008,383.48
  5. Step 5: Solve for x
    x = 26,600,008,383.48/172,288.68
  6. Step 6: Final answer
    x = 154,392.08

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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.