Home / 186,106.45-256,814.27-101,221.69

Finding the Fourth Proportional to 186,106.45, 256,814.27 and 101,221.69

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Solution

The fourth proportional to 186,106.45, 256,814.27 and 101,221.69 is: 139,679.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,106.45 : 256,814.27 = 101,221.69 : x
  2. Step 2: Convert to fraction form
    186,106.45/256,814.27 = 101,221.69/x
  3. Step 3: Cross multiply
    186,106.45x = 256,814.27 × 101,221.69
  4. Step 4: Simplify right side
    186,106.45x = 25,995,173,919.41
  5. Step 5: Solve for x
    x = 25,995,173,919.41/186,106.45
  6. Step 6: Final answer
    x = 139,679.06

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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.