Home / 142,515.33-196,585.48-94,117.71

Finding the Fourth Proportional to 142,515.33, 196,585.48 and 94,117.71

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Solution

The fourth proportional to 142,515.33, 196,585.48 and 94,117.71 is: 129,825.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,515.33 : 196,585.48 = 94,117.71 : x
  2. Step 2: Convert to fraction form
    142,515.33/196,585.48 = 94,117.71/x
  3. Step 3: Cross multiply
    142,515.33x = 196,585.48 × 94,117.71
  4. Step 4: Simplify right side
    142,515.33x = 18,502,173,743.33
  5. Step 5: Solve for x
    x = 18,502,173,743.33/142,515.33
  6. Step 6: Final answer
    x = 129,825.85

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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.