Home / 217,022.91-299,595.45-144,546.41

Finding the Fourth Proportional to 217,022.91, 299,595.45 and 144,546.41

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Solution

The fourth proportional to 217,022.91, 299,595.45 and 144,546.41 is: 199,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,022.91 : 299,595.45 = 144,546.41 : x
  2. Step 2: Convert to fraction form
    217,022.91/299,595.45 = 144,546.41/x
  3. Step 3: Cross multiply
    217,022.91x = 299,595.45 × 144,546.41
  4. Step 4: Simplify right side
    217,022.91x = 43,305,447,498.82
  5. Step 5: Solve for x
    x = 43,305,447,498.82/217,022.91
  6. Step 6: Final answer
    x = 199,543.21

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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.