Home / 191,799.63-287,689.05-58,679.87

Finding the Fourth Proportional to 191,799.63, 287,689.05 and 58,679.87

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Solution

The fourth proportional to 191,799.63, 287,689.05 and 58,679.87 is: 88,016.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,799.63 : 287,689.05 = 58,679.87 : x
  2. Step 2: Convert to fraction form
    191,799.63/287,689.05 = 58,679.87/x
  3. Step 3: Cross multiply
    191,799.63x = 287,689.05 × 58,679.87
  4. Step 4: Simplify right side
    191,799.63x = 16,881,554,615.98
  5. Step 5: Solve for x
    x = 16,881,554,615.98/191,799.63
  6. Step 6: Final answer
    x = 88,016.62

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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.