Home / 151,733.36-209,367-84,665.20

Finding the Fourth Proportional to 151,733.36, 209,367 and 84,665.20

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Solution

The fourth proportional to 151,733.36, 209,367 and 84,665.20 is: 116,824.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,733.36 : 209,367 = 84,665.20 : x
  2. Step 2: Convert to fraction form
    151,733.36/209,367 = 84,665.20/x
  3. Step 3: Cross multiply
    151,733.36x = 209,367 × 84,665.20
  4. Step 4: Simplify right side
    151,733.36x = 17,726,098,928.40
  5. Step 5: Solve for x
    x = 17,726,098,928.40/151,733.36
  6. Step 6: Final answer
    x = 116,824.01

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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.