Home / 151,019.94-208,403.10-83,036.85

Finding the Fourth Proportional to 151,019.94, 208,403.10 and 83,036.85

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Solution

The fourth proportional to 151,019.94, 208,403.10 and 83,036.85 is: 114,588.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,019.94 : 208,403.10 = 83,036.85 : x
  2. Step 2: Convert to fraction form
    151,019.94/208,403.10 = 83,036.85/x
  3. Step 3: Cross multiply
    151,019.94x = 208,403.10 × 83,036.85
  4. Step 4: Simplify right side
    151,019.94x = 17,305,136,954.24
  5. Step 5: Solve for x
    x = 17,305,136,954.24/151,019.94
  6. Step 6: Final answer
    x = 114,588.42

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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.