Home / 151,350.26-208,864.74-83,367.45

Finding the Fourth Proportional to 151,350.26, 208,864.74 and 83,367.45

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Solution

The fourth proportional to 151,350.26, 208,864.74 and 83,367.45 is: 115,047.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,350.26 : 208,864.74 = 83,367.45 : x
  2. Step 2: Convert to fraction form
    151,350.26/208,864.74 = 83,367.45/x
  3. Step 3: Cross multiply
    151,350.26x = 208,864.74 × 83,367.45
  4. Step 4: Simplify right side
    151,350.26x = 17,412,520,768.71
  5. Step 5: Solve for x
    x = 17,412,520,768.71/151,350.26
  6. Step 6: Final answer
    x = 115,047.85

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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.