Home / 151,987.92-209,843.64-94,710.40

Finding the Fourth Proportional to 151,987.92, 209,843.64 and 94,710.40

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Solution

The fourth proportional to 151,987.92, 209,843.64 and 94,710.40 is: 130,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,987.92 : 209,843.64 = 94,710.40 : x
  2. Step 2: Convert to fraction form
    151,987.92/209,843.64 = 94,710.40/x
  3. Step 3: Cross multiply
    151,987.92x = 209,843.64 × 94,710.40
  4. Step 4: Simplify right side
    151,987.92x = 19,874,375,081.86
  5. Step 5: Solve for x
    x = 19,874,375,081.86/151,987.92
  6. Step 6: Final answer
    x = 130,762.86

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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.