Home / 186,691.22-257,640.69-106,132.34

Finding the Fourth Proportional to 186,691.22, 257,640.69 and 106,132.34

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Solution

The fourth proportional to 186,691.22, 257,640.69 and 106,132.34 is: 146,466.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,691.22 : 257,640.69 = 106,132.34 : x
  2. Step 2: Convert to fraction form
    186,691.22/257,640.69 = 106,132.34/x
  3. Step 3: Cross multiply
    186,691.22x = 257,640.69 × 106,132.34
  4. Step 4: Simplify right side
    186,691.22x = 27,344,009,308.91
  5. Step 5: Solve for x
    x = 27,344,009,308.91/186,691.22
  6. Step 6: Final answer
    x = 146,466.50

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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.