Home / 191,743.76-287,615.14-56,818.33

Finding the Fourth Proportional to 191,743.76, 287,615.14 and 56,818.33

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Solution

The fourth proportional to 191,743.76, 287,615.14 and 56,818.33 is: 85,227.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,743.76 : 287,615.14 = 56,818.33 : x
  2. Step 2: Convert to fraction form
    191,743.76/287,615.14 = 56,818.33/x
  3. Step 3: Cross multiply
    191,743.76x = 287,615.14 × 56,818.33
  4. Step 4: Simplify right side
    191,743.76x = 16,341,811,076.43
  5. Step 5: Solve for x
    x = 16,341,811,076.43/191,743.76
  6. Step 6: Final answer
    x = 85,227.34

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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.