Home / 211,774.88-292,227.52-126,889.76

Finding the Fourth Proportional to 211,774.88, 292,227.52 and 126,889.76

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Solution

The fourth proportional to 211,774.88, 292,227.52 and 126,889.76 is: 175,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,774.88 : 292,227.52 = 126,889.76 : x
  2. Step 2: Convert to fraction form
    211,774.88/292,227.52 = 126,889.76/x
  3. Step 3: Cross multiply
    211,774.88x = 292,227.52 × 126,889.76
  4. Step 4: Simplify right side
    211,774.88x = 37,080,679,878.20
  5. Step 5: Solve for x
    x = 37,080,679,878.20/211,774.88
  6. Step 6: Final answer
    x = 175,094.80

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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.