Home / 191,755.08-287,762.22-67,097.16

Finding the Fourth Proportional to 191,755.08, 287,762.22 and 67,097.16

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Solution

The fourth proportional to 191,755.08, 287,762.22 and 67,097.16 is: 100,691.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,755.08 : 287,762.22 = 67,097.16 : x
  2. Step 2: Convert to fraction form
    191,755.08/287,762.22 = 67,097.16/x
  3. Step 3: Cross multiply
    191,755.08x = 287,762.22 × 67,097.16
  4. Step 4: Simplify right side
    191,755.08x = 19,308,027,717.30
  5. Step 5: Solve for x
    x = 19,308,027,717.30/191,755.08
  6. Step 6: Final answer
    x = 100,691.09

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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.