Home / 191,984.12-287,983.44-73,667.40

Finding the Fourth Proportional to 191,984.12, 287,983.44 and 73,667.40

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Solution

The fourth proportional to 191,984.12, 287,983.44 and 73,667.40 is: 110,503.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,984.12 : 287,983.44 = 73,667.40 : x
  2. Step 2: Convert to fraction form
    191,984.12/287,983.44 = 73,667.40/x
  3. Step 3: Cross multiply
    191,984.12x = 287,983.44 × 73,667.40
  4. Step 4: Simplify right side
    191,984.12x = 21,214,991,267.86
  5. Step 5: Solve for x
    x = 21,214,991,267.86/191,984.12
  6. Step 6: Final answer
    x = 110,503.89

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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.