Home / 185,245.51-255,637.20-100,362.37

Finding the Fourth Proportional to 185,245.51, 255,637.20 and 100,362.37

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Solution

The fourth proportional to 185,245.51, 255,637.20 and 100,362.37 is: 138,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,245.51 : 255,637.20 = 100,362.37 : x
  2. Step 2: Convert to fraction form
    185,245.51/255,637.20 = 100,362.37/x
  3. Step 3: Cross multiply
    185,245.51x = 255,637.20 × 100,362.37
  4. Step 4: Simplify right side
    185,245.51x = 25,656,355,252.16
  5. Step 5: Solve for x
    x = 25,656,355,252.16/185,245.51
  6. Step 6: Final answer
    x = 138,499.20

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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.