Home / 186,078.18-256,785.48-101,193.42

Finding the Fourth Proportional to 186,078.18, 256,785.48 and 101,193.42

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Solution

The fourth proportional to 186,078.18, 256,785.48 and 101,193.42 is: 139,645.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,078.18 : 256,785.48 = 101,193.42 : x
  2. Step 2: Convert to fraction form
    186,078.18/256,785.48 = 101,193.42/x
  3. Step 3: Cross multiply
    186,078.18x = 256,785.48 × 101,193.42
  4. Step 4: Simplify right side
    186,078.18x = 25,985,000,927.54
  5. Step 5: Solve for x
    x = 25,985,000,927.54/186,078.18
  6. Step 6: Final answer
    x = 139,645.61

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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.