Home / 151,936.14-209,661.12-83,952.40

Finding the Fourth Proportional to 151,936.14, 209,661.12 and 83,952.40

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Solution

The fourth proportional to 151,936.14, 209,661.12 and 83,952.40 is: 115,848.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,936.14 : 209,661.12 = 83,952.40 : x
  2. Step 2: Convert to fraction form
    151,936.14/209,661.12 = 83,952.40/x
  3. Step 3: Cross multiply
    151,936.14x = 209,661.12 × 83,952.40
  4. Step 4: Simplify right side
    151,936.14x = 17,601,554,210.69
  5. Step 5: Solve for x
    x = 17,601,554,210.69/151,936.14
  6. Step 6: Final answer
    x = 115,848.37

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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.