Home / 151,887.74-209,604.24-83,909.39

Finding the Fourth Proportional to 151,887.74, 209,604.24 and 83,909.39

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Solution

The fourth proportional to 151,887.74, 209,604.24 and 83,909.39 is: 115,794.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,887.74 : 209,604.24 = 83,909.39 : x
  2. Step 2: Convert to fraction form
    151,887.74/209,604.24 = 83,909.39/x
  3. Step 3: Cross multiply
    151,887.74x = 209,604.24 × 83,909.39
  4. Step 4: Simplify right side
    151,887.74x = 17,587,762,871.79
  5. Step 5: Solve for x
    x = 17,587,762,871.79/151,887.74
  6. Step 6: Final answer
    x = 115,794.49

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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.