Home / 151,370.68-208,889.06-83,394.12

Finding the Fourth Proportional to 151,370.68, 208,889.06 and 83,394.12

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Solution

The fourth proportional to 151,370.68, 208,889.06 and 83,394.12 is: 115,082.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,370.68 : 208,889.06 = 83,394.12 : x
  2. Step 2: Convert to fraction form
    151,370.68/208,889.06 = 83,394.12/x
  3. Step 3: Cross multiply
    151,370.68x = 208,889.06 × 83,394.12
  4. Step 4: Simplify right side
    151,370.68x = 17,420,119,336.33
  5. Step 5: Solve for x
    x = 17,420,119,336.33/151,370.68
  6. Step 6: Final answer
    x = 115,082.52

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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.