Home / 201,618.40-278,215.32-116,741.20

Finding the Fourth Proportional to 201,618.40, 278,215.32 and 116,741.20

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Solution

The fourth proportional to 201,618.40, 278,215.32 and 116,741.20 is: 161,092.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,618.40 : 278,215.32 = 116,741.20 : x
  2. Step 2: Convert to fraction form
    201,618.40/278,215.32 = 116,741.20/x
  3. Step 3: Cross multiply
    201,618.40x = 278,215.32 × 116,741.20
  4. Step 4: Simplify right side
    201,618.40x = 32,479,190,315.18
  5. Step 5: Solve for x
    x = 32,479,190,315.18/201,618.40
  6. Step 6: Final answer
    x = 161,092.39

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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.