Home / 152,734.41-229,009.53-68,479.35

Finding the Fourth Proportional to 152,734.41, 229,009.53 and 68,479.35

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Solution

The fourth proportional to 152,734.41, 229,009.53 and 68,479.35 is: 102,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,734.41 : 229,009.53 = 68,479.35 : x
  2. Step 2: Convert to fraction form
    152,734.41/229,009.53 = 68,479.35/x
  3. Step 3: Cross multiply
    152,734.41x = 229,009.53 × 68,479.35
  4. Step 4: Simplify right side
    152,734.41x = 15,682,423,758.21
  5. Step 5: Solve for x
    x = 15,682,423,758.21/152,734.41
  6. Step 6: Final answer
    x = 102,677.74

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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.