Home / 185,648.32-256,132.56-105,067.36

Finding the Fourth Proportional to 185,648.32, 256,132.56 and 105,067.36

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Solution

The fourth proportional to 185,648.32, 256,132.56 and 105,067.36 is: 144,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,648.32 : 256,132.56 = 105,067.36 : x
  2. Step 2: Convert to fraction form
    185,648.32/256,132.56 = 105,067.36/x
  3. Step 3: Cross multiply
    185,648.32x = 256,132.56 × 105,067.36
  4. Step 4: Simplify right side
    185,648.32x = 26,911,171,889.24
  5. Step 5: Solve for x
    x = 26,911,171,889.24/185,648.32
  6. Step 6: Final answer
    x = 144,957.80

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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.