Home / 201,660.48-278,260.59-116,761.14

Finding the Fourth Proportional to 201,660.48, 278,260.59 and 116,761.14

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Solution

The fourth proportional to 201,660.48, 278,260.59 and 116,761.14 is: 161,112.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,660.48 : 278,260.59 = 116,761.14 : x
  2. Step 2: Convert to fraction form
    201,660.48/278,260.59 = 116,761.14/x
  3. Step 3: Cross multiply
    201,660.48x = 278,260.59 × 116,761.14
  4. Step 4: Simplify right side
    201,660.48x = 32,490,023,705.47
  5. Step 5: Solve for x
    x = 32,490,023,705.47/201,660.48
  6. Step 6: Final answer
    x = 161,112.50

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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.