Home / 211,838.85-292,215.60-126,906.72

Finding the Fourth Proportional to 211,838.85, 292,215.60 and 126,906.72

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Solution

The fourth proportional to 211,838.85, 292,215.60 and 126,906.72 is: 175,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,838.85 : 292,215.60 = 126,906.72 : x
  2. Step 2: Convert to fraction form
    211,838.85/292,215.60 = 126,906.72/x
  3. Step 3: Cross multiply
    211,838.85x = 292,215.60 × 126,906.72
  4. Step 4: Simplify right side
    211,838.85x = 37,084,123,328.83
  5. Step 5: Solve for x
    x = 37,084,123,328.83/211,838.85
  6. Step 6: Final answer
    x = 175,058.18

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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.