Home / 185,140.23-255,493.45-100,257.27

Finding the Fourth Proportional to 185,140.23, 255,493.45 and 100,257.27

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Solution

The fourth proportional to 185,140.23, 255,493.45 and 100,257.27 is: 138,355.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,140.23 : 255,493.45 = 100,257.27 : x
  2. Step 2: Convert to fraction form
    185,140.23/255,493.45 = 100,257.27/x
  3. Step 3: Cross multiply
    185,140.23x = 255,493.45 × 100,257.27
  4. Step 4: Simplify right side
    185,140.23x = 25,615,075,799.88
  5. Step 5: Solve for x
    x = 25,615,075,799.88/185,140.23
  6. Step 6: Final answer
    x = 138,355.00

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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.