Home / 151,383.06-208,924.92-83,406.87

Finding the Fourth Proportional to 151,383.06, 208,924.92 and 83,406.87

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Solution

The fourth proportional to 151,383.06, 208,924.92 and 83,406.87 is: 115,110.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,383.06 : 208,924.92 = 83,406.87 : x
  2. Step 2: Convert to fraction form
    151,383.06/208,924.92 = 83,406.87/x
  3. Step 3: Cross multiply
    151,383.06x = 208,924.92 × 83,406.87
  4. Step 4: Simplify right side
    151,383.06x = 17,425,773,642.20
  5. Step 5: Solve for x
    x = 17,425,773,642.20/151,383.06
  6. Step 6: Final answer
    x = 115,110.46

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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.