Home / 186,921.60-257,948.44-106,347.39

Finding the Fourth Proportional to 186,921.60, 257,948.44 and 106,347.39

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Solution

The fourth proportional to 186,921.60, 257,948.44 and 106,347.39 is: 146,757.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,921.60 : 257,948.44 = 106,347.39 : x
  2. Step 2: Convert to fraction form
    186,921.60/257,948.44 = 106,347.39/x
  3. Step 3: Cross multiply
    186,921.60x = 257,948.44 × 106,347.39
  4. Step 4: Simplify right side
    186,921.60x = 27,432,143,348.57
  5. Step 5: Solve for x
    x = 27,432,143,348.57/186,921.60
  6. Step 6: Final answer
    x = 146,757.48

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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.