Home / 211,772.64-292,224.72-126,887.52

Finding the Fourth Proportional to 211,772.64, 292,224.72 and 126,887.52

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Solution

The fourth proportional to 211,772.64, 292,224.72 and 126,887.52 is: 175,091.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,772.64 : 292,224.72 = 126,887.52 : x
  2. Step 2: Convert to fraction form
    211,772.64/292,224.72 = 126,887.52/x
  3. Step 3: Cross multiply
    211,772.64x = 292,224.72 × 126,887.52
  4. Step 4: Simplify right side
    211,772.64x = 37,079,670,003.49
  5. Step 5: Solve for x
    x = 37,079,670,003.49/211,772.64
  6. Step 6: Final answer
    x = 175,091.88

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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.