Home / 170,703.12-256,051.20-52,371.84

Finding the Fourth Proportional to 170,703.12, 256,051.20 and 52,371.84

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Solution

The fourth proportional to 170,703.12, 256,051.20 and 52,371.84 is: 78,556.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,703.12 : 256,051.20 = 52,371.84 : x
  2. Step 2: Convert to fraction form
    170,703.12/256,051.20 = 52,371.84/x
  3. Step 3: Cross multiply
    170,703.12x = 256,051.20 × 52,371.84
  4. Step 4: Simplify right side
    170,703.12x = 13,409,872,478.21
  5. Step 5: Solve for x
    x = 13,409,872,478.21/170,703.12
  6. Step 6: Final answer
    x = 78,556.69

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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.