Home / 102,152.88-153,228.60-39,823.38

Finding the Fourth Proportional to 102,152.88, 153,228.60 and 39,823.38

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Solution

The fourth proportional to 102,152.88, 153,228.60 and 39,823.38 is: 59,734.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,152.88 : 153,228.60 = 39,823.38 : x
  2. Step 2: Convert to fraction form
    102,152.88/153,228.60 = 39,823.38/x
  3. Step 3: Cross multiply
    102,152.88x = 153,228.60 × 39,823.38
  4. Step 4: Simplify right side
    102,152.88x = 6,102,080,764.67
  5. Step 5: Solve for x
    x = 6,102,080,764.67/102,152.88
  6. Step 6: Final answer
    x = 59,734.79

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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.