Home / 185,634.81-256,176.29-100,751.87

Finding the Fourth Proportional to 185,634.81, 256,176.29 and 100,751.87

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Solution

The fourth proportional to 185,634.81, 256,176.29 and 100,751.87 is: 139,037.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,634.81 : 256,176.29 = 100,751.87 : x
  2. Step 2: Convert to fraction form
    185,634.81/256,176.29 = 100,751.87/x
  3. Step 3: Cross multiply
    185,634.81x = 256,176.29 × 100,751.87
  4. Step 4: Simplify right side
    185,634.81x = 25,810,241,159.48
  5. Step 5: Solve for x
    x = 25,810,241,159.48/185,634.81
  6. Step 6: Final answer
    x = 139,037.72

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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.