Home / 151,556.71-209,139.66-94,194.56

Finding the Fourth Proportional to 151,556.71, 209,139.66 and 94,194.56

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Solution

The fourth proportional to 151,556.71, 209,139.66 and 94,194.56 is: 129,983.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,556.71 : 209,139.66 = 94,194.56 : x
  2. Step 2: Convert to fraction form
    151,556.71/209,139.66 = 94,194.56/x
  3. Step 3: Cross multiply
    151,556.71x = 209,139.66 × 94,194.56
  4. Step 4: Simplify right side
    151,556.71x = 19,699,818,252.25
  5. Step 5: Solve for x
    x = 19,699,818,252.25/151,556.71
  6. Step 6: Final answer
    x = 129,983.15

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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.