Home / 191,425.70-287,116.64-51,195.26

Finding the Fourth Proportional to 191,425.70, 287,116.64 and 51,195.26

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Solution

The fourth proportional to 191,425.70, 287,116.64 and 51,195.26 is: 76,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,425.70 : 287,116.64 = 51,195.26 : x
  2. Step 2: Convert to fraction form
    191,425.70/287,116.64 = 51,195.26/x
  3. Step 3: Cross multiply
    191,425.70x = 287,116.64 × 51,195.26
  4. Step 4: Simplify right side
    191,425.70x = 14,699,011,035.13
  5. Step 5: Solve for x
    x = 14,699,011,035.13/191,425.70
  6. Step 6: Final answer
    x = 76,787.03

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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.