Home / 191,934.34-287,778.18-79,692.02

Finding the Fourth Proportional to 191,934.34, 287,778.18 and 79,692.02

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Solution

The fourth proportional to 191,934.34, 287,778.18 and 79,692.02 is: 119,486.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,934.34 : 287,778.18 = 79,692.02 : x
  2. Step 2: Convert to fraction form
    191,934.34/287,778.18 = 79,692.02/x
  3. Step 3: Cross multiply
    191,934.34x = 287,778.18 × 79,692.02
  4. Step 4: Simplify right side
    191,934.34x = 22,933,624,476.12
  5. Step 5: Solve for x
    x = 22,933,624,476.12/191,934.34
  6. Step 6: Final answer
    x = 119,486.82

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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.