Home / 175,455.96-263,188.80-57,134.40

Finding the Fourth Proportional to 175,455.96, 263,188.80 and 57,134.40

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Solution

The fourth proportional to 175,455.96, 263,188.80 and 57,134.40 is: 85,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,455.96 : 263,188.80 = 57,134.40 : x
  2. Step 2: Convert to fraction form
    175,455.96/263,188.80 = 57,134.40/x
  3. Step 3: Cross multiply
    175,455.96x = 263,188.80 × 57,134.40
  4. Step 4: Simplify right side
    175,455.96x = 15,037,134,174.72
  5. Step 5: Solve for x
    x = 15,037,134,174.72/175,455.96
  6. Step 6: Final answer
    x = 85,703.18

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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.