Home / 211,786.52-292,264.76-126,903.58

Finding the Fourth Proportional to 211,786.52, 292,264.76 and 126,903.58

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Solution

The fourth proportional to 211,786.52, 292,264.76 and 126,903.58 is: 175,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,786.52 : 292,264.76 = 126,903.58 : x
  2. Step 2: Convert to fraction form
    211,786.52/292,264.76 = 126,903.58/x
  3. Step 3: Cross multiply
    211,786.52x = 292,264.76 × 126,903.58
  4. Step 4: Simplify right side
    211,786.52x = 37,089,443,938.44
  5. Step 5: Solve for x
    x = 37,089,443,938.44/211,786.52
  6. Step 6: Final answer
    x = 175,126.56

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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.