Home / 191,751.08-287,756.22-67,093.16

Finding the Fourth Proportional to 191,751.08, 287,756.22 and 67,093.16

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Solution

The fourth proportional to 191,751.08, 287,756.22 and 67,093.16 is: 100,685.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,751.08 : 287,756.22 = 67,093.16 : x
  2. Step 2: Convert to fraction form
    191,751.08/287,756.22 = 67,093.16/x
  3. Step 3: Cross multiply
    191,751.08x = 287,756.22 × 67,093.16
  4. Step 4: Simplify right side
    191,751.08x = 19,306,474,109.46
  5. Step 5: Solve for x
    x = 19,306,474,109.46/191,751.08
  6. Step 6: Final answer
    x = 100,685.09

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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.