Home / 134,194.05-185,110.45-83,805.57

Finding the Fourth Proportional to 134,194.05, 185,110.45 and 83,805.57

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Solution

The fourth proportional to 134,194.05, 185,110.45 and 83,805.57 is: 115,603.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,194.05 : 185,110.45 = 83,805.57 : x
  2. Step 2: Convert to fraction form
    134,194.05/185,110.45 = 83,805.57/x
  3. Step 3: Cross multiply
    134,194.05x = 185,110.45 × 83,805.57
  4. Step 4: Simplify right side
    134,194.05x = 15,513,286,565.69
  5. Step 5: Solve for x
    x = 15,513,286,565.69/134,194.05
  6. Step 6: Final answer
    x = 115,603.39

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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.