Home / 185,237.01-255,625.47-100,353.87

Finding the Fourth Proportional to 185,237.01, 255,625.47 and 100,353.87

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Solution

The fourth proportional to 185,237.01, 255,625.47 and 100,353.87 is: 138,487.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,237.01 : 255,625.47 = 100,353.87 : x
  2. Step 2: Convert to fraction form
    185,237.01/255,625.47 = 100,353.87/x
  3. Step 3: Cross multiply
    185,237.01x = 255,625.47 × 100,353.87
  4. Step 4: Simplify right side
    185,237.01x = 25,653,005,185.07
  5. Step 5: Solve for x
    x = 25,653,005,185.07/185,237.01
  6. Step 6: Final answer
    x = 138,487.47

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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.