Home / 191,515.46-287,262.38-84,868.70

Finding the Fourth Proportional to 191,515.46, 287,262.38 and 84,868.70

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Solution

The fourth proportional to 191,515.46, 287,262.38 and 84,868.70 is: 127,298.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,515.46 : 287,262.38 = 84,868.70 : x
  2. Step 2: Convert to fraction form
    191,515.46/287,262.38 = 84,868.70/x
  3. Step 3: Cross multiply
    191,515.46x = 287,262.38 × 84,868.70
  4. Step 4: Simplify right side
    191,515.46x = 24,379,583,525.37
  5. Step 5: Solve for x
    x = 24,379,583,525.37/191,515.46
  6. Step 6: Final answer
    x = 127,298.26

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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.