Home / 186,223.22-256,993.87-105,654.14

Finding the Fourth Proportional to 186,223.22, 256,993.87 and 105,654.14

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Solution

The fourth proportional to 186,223.22, 256,993.87 and 105,654.14 is: 145,806.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,223.22 : 256,993.87 = 105,654.14 : x
  2. Step 2: Convert to fraction form
    186,223.22/256,993.87 = 105,654.14/x
  3. Step 3: Cross multiply
    186,223.22x = 256,993.87 × 105,654.14
  4. Step 4: Simplify right side
    186,223.22x = 27,152,466,320.12
  5. Step 5: Solve for x
    x = 27,152,466,320.12/186,223.22
  6. Step 6: Final answer
    x = 145,806.02

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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.