Home / 186,127.70-278,837.57-106,221.20

Finding the Fourth Proportional to 186,127.70, 278,837.57 and 106,221.20

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Solution

The fourth proportional to 186,127.70, 278,837.57 and 106,221.20 is: 159,129.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,127.70 : 278,837.57 = 106,221.20 : x
  2. Step 2: Convert to fraction form
    186,127.70/278,837.57 = 106,221.20/x
  3. Step 3: Cross multiply
    186,127.70x = 278,837.57 × 106,221.20
  4. Step 4: Simplify right side
    186,127.70x = 29,618,459,365.19
  5. Step 5: Solve for x
    x = 29,618,459,365.19/186,127.70
  6. Step 6: Final answer
    x = 159,129.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.