Home / 191,196.90-286,833.66-107,076.72

Finding the Fourth Proportional to 191,196.90, 286,833.66 and 107,076.72

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Solution

The fourth proportional to 191,196.90, 286,833.66 and 107,076.72 is: 160,636.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,196.90 : 286,833.66 = 107,076.72 : x
  2. Step 2: Convert to fraction form
    191,196.90/286,833.66 = 107,076.72/x
  3. Step 3: Cross multiply
    191,196.90x = 286,833.66 × 107,076.72
  4. Step 4: Simplify right side
    191,196.90x = 30,713,207,498.40
  5. Step 5: Solve for x
    x = 30,713,207,498.40/191,196.90
  6. Step 6: Final answer
    x = 160,636.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.