Home / 211,590.92-292,076.73-143,638.26

Finding the Fourth Proportional to 211,590.92, 292,076.73 and 143,638.26

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Solution

The fourth proportional to 211,590.92, 292,076.73 and 143,638.26 is: 198,275.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,590.92 : 292,076.73 = 143,638.26 : x
  2. Step 2: Convert to fraction form
    211,590.92/292,076.73 = 143,638.26/x
  3. Step 3: Cross multiply
    211,590.92x = 292,076.73 × 143,638.26
  4. Step 4: Simplify right side
    211,590.92x = 41,953,393,283.69
  5. Step 5: Solve for x
    x = 41,953,393,283.69/211,590.92
  6. Step 6: Final answer
    x = 198,275.97

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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.