Home / 186,152.42-256,896.78-101,272.52

Finding the Fourth Proportional to 186,152.42, 256,896.78 and 101,272.52

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Solution

The fourth proportional to 186,152.42, 256,896.78 and 101,272.52 is: 139,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,152.42 : 256,896.78 = 101,272.52 : x
  2. Step 2: Convert to fraction form
    186,152.42/256,896.78 = 101,272.52/x
  3. Step 3: Cross multiply
    186,152.42x = 256,896.78 × 101,272.52
  4. Step 4: Simplify right side
    186,152.42x = 26,016,584,290.49
  5. Step 5: Solve for x
    x = 26,016,584,290.49/186,152.42
  6. Step 6: Final answer
    x = 139,759.58

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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.