Home / 191,813.94-287,898.17-97,110.70

Finding the Fourth Proportional to 191,813.94, 287,898.17 and 97,110.70

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Solution

The fourth proportional to 191,813.94, 287,898.17 and 97,110.70 is: 145,755.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,813.94 : 287,898.17 = 97,110.70 : x
  2. Step 2: Convert to fraction form
    191,813.94/287,898.17 = 97,110.70/x
  3. Step 3: Cross multiply
    191,813.94x = 287,898.17 × 97,110.70
  4. Step 4: Simplify right side
    191,813.94x = 27,957,991,612.12
  5. Step 5: Solve for x
    x = 27,957,991,612.12/191,813.94
  6. Step 6: Final answer
    x = 145,755.79

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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.