Home / 215,371.32-297,212.43-119,875.97

Finding the Fourth Proportional to 215,371.32, 297,212.43 and 119,875.97

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Solution

The fourth proportional to 215,371.32, 297,212.43 and 119,875.97 is: 165,428.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,371.32 : 297,212.43 = 119,875.97 : x
  2. Step 2: Convert to fraction form
    215,371.32/297,212.43 = 119,875.97/x
  3. Step 3: Cross multiply
    215,371.32x = 297,212.43 × 119,875.97
  4. Step 4: Simplify right side
    215,371.32x = 35,628,626,856.25
  5. Step 5: Solve for x
    x = 35,628,626,856.25/215,371.32
  6. Step 6: Final answer
    x = 165,428.84

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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.