Home / 191,938.75-287,674.64-135,795.04

Finding the Fourth Proportional to 191,938.75, 287,674.64 and 135,795.04

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Solution

The fourth proportional to 191,938.75, 287,674.64 and 135,795.04 is: 203,527.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,938.75 : 287,674.64 = 135,795.04 : x
  2. Step 2: Convert to fraction form
    191,938.75/287,674.64 = 135,795.04/x
  3. Step 3: Cross multiply
    191,938.75x = 287,674.64 × 135,795.04
  4. Step 4: Simplify right side
    191,938.75x = 39,064,789,245.79
  5. Step 5: Solve for x
    x = 39,064,789,245.79/191,938.75
  6. Step 6: Final answer
    x = 203,527.37

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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.