Home / 185,320.44-255,742.65-100,437.48

Finding the Fourth Proportional to 185,320.44, 255,742.65 and 100,437.48

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Solution

The fourth proportional to 185,320.44, 255,742.65 and 100,437.48 is: 138,603.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,320.44 : 255,742.65 = 100,437.48 : x
  2. Step 2: Convert to fraction form
    185,320.44/255,742.65 = 100,437.48/x
  3. Step 3: Cross multiply
    185,320.44x = 255,742.65 × 100,437.48
  4. Step 4: Simplify right side
    185,320.44x = 25,686,147,294.52
  5. Step 5: Solve for x
    x = 25,686,147,294.52/185,320.44
  6. Step 6: Final answer
    x = 138,603.96

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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.