Home / 185,378.96-255,823.25-100,496.03

Finding the Fourth Proportional to 185,378.96, 255,823.25 and 100,496.03

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Solution

The fourth proportional to 185,378.96, 255,823.25 and 100,496.03 is: 138,684.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,378.96 : 255,823.25 = 100,496.03 : x
  2. Step 2: Convert to fraction form
    185,378.96/255,823.25 = 100,496.03/x
  3. Step 3: Cross multiply
    185,378.96x = 255,823.25 × 100,496.03
  4. Step 4: Simplify right side
    185,378.96x = 25,709,219,225.10
  5. Step 5: Solve for x
    x = 25,709,219,225.10/185,378.96
  6. Step 6: Final answer
    x = 138,684.66

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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.