Home / 151,286.14-208,773.16-83,301.70

Finding the Fourth Proportional to 151,286.14, 208,773.16 and 83,301.70

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Solution

The fourth proportional to 151,286.14, 208,773.16 and 83,301.70 is: 114,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,286.14 : 208,773.16 = 83,301.70 : x
  2. Step 2: Convert to fraction form
    151,286.14/208,773.16 = 83,301.70/x
  3. Step 3: Cross multiply
    151,286.14x = 208,773.16 × 83,301.70
  4. Step 4: Simplify right side
    151,286.14x = 17,391,159,142.37
  5. Step 5: Solve for x
    x = 17,391,159,142.37/151,286.14
  6. Step 6: Final answer
    x = 114,955.40

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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.