Home / 185,212.02-255,592.35-100,329.42

Finding the Fourth Proportional to 185,212.02, 255,592.35 and 100,329.42

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Solution

The fourth proportional to 185,212.02, 255,592.35 and 100,329.42 is: 138,454.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,212.02 : 255,592.35 = 100,329.42 : x
  2. Step 2: Convert to fraction form
    185,212.02/255,592.35 = 100,329.42/x
  3. Step 3: Cross multiply
    185,212.02x = 255,592.35 × 100,329.42
  4. Step 4: Simplify right side
    185,212.02x = 25,643,432,231.94
  5. Step 5: Solve for x
    x = 25,643,432,231.94/185,212.02
  6. Step 6: Final answer
    x = 138,454.47

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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.