Home / 186,217.92-256,986.09-101,340.36

Finding the Fourth Proportional to 186,217.92, 256,986.09 and 101,340.36

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Solution

The fourth proportional to 186,217.92, 256,986.09 and 101,340.36 is: 139,852.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,217.92 : 256,986.09 = 101,340.36 : x
  2. Step 2: Convert to fraction form
    186,217.92/256,986.09 = 101,340.36/x
  3. Step 3: Cross multiply
    186,217.92x = 256,986.09 × 101,340.36
  4. Step 4: Simplify right side
    186,217.92x = 26,043,062,875.59
  5. Step 5: Solve for x
    x = 26,043,062,875.59/186,217.92
  6. Step 6: Final answer
    x = 139,852.61

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1.5x scale

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.