Home / 151,883.37-209,556.95-87,349.10

Finding the Fourth Proportional to 151,883.37, 209,556.95 and 87,349.10

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Solution

The fourth proportional to 151,883.37, 209,556.95 and 87,349.10 is: 120,517.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,883.37 : 209,556.95 = 87,349.10 : x
  2. Step 2: Convert to fraction form
    151,883.37/209,556.95 = 87,349.10/x
  3. Step 3: Cross multiply
    151,883.37x = 209,556.95 × 87,349.10
  4. Step 4: Simplify right side
    151,883.37x = 18,304,609,496.71
  5. Step 5: Solve for x
    x = 18,304,609,496.71/151,883.37
  6. Step 6: Final answer
    x = 120,517.54

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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.