Home / 151,016.36-208,405.14-83,036.12

Finding the Fourth Proportional to 151,016.36, 208,405.14 and 83,036.12

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Solution

The fourth proportional to 151,016.36, 208,405.14 and 83,036.12 is: 114,591.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,016.36 : 208,405.14 = 83,036.12 : x
  2. Step 2: Convert to fraction form
    151,016.36/208,405.14 = 83,036.12/x
  3. Step 3: Cross multiply
    151,016.36x = 208,405.14 × 83,036.12
  4. Step 4: Simplify right side
    151,016.36x = 17,305,154,213.66
  5. Step 5: Solve for x
    x = 17,305,154,213.66/151,016.36
  6. Step 6: Final answer
    x = 114,591.25

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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.