Home / 185,248.60-255,643.32-100,365.66

Finding the Fourth Proportional to 185,248.60, 255,643.32 and 100,365.66

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Solution

The fourth proportional to 185,248.60, 255,643.32 and 100,365.66 is: 138,504.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,248.60 : 255,643.32 = 100,365.66 : x
  2. Step 2: Convert to fraction form
    185,248.60/255,643.32 = 100,365.66/x
  3. Step 3: Cross multiply
    185,248.60x = 255,643.32 × 100,365.66
  4. Step 4: Simplify right side
    185,248.60x = 25,657,810,536.39
  5. Step 5: Solve for x
    x = 25,657,810,536.39/185,248.60
  6. Step 6: Final answer
    x = 138,504.75

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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.