Home / 157,529.65-236,233.05-68,722.60

Finding the Fourth Proportional to 157,529.65, 236,233.05 and 68,722.60

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Solution

The fourth proportional to 157,529.65, 236,233.05 and 68,722.60 is: 103,057.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,529.65 : 236,233.05 = 68,722.60 : x
  2. Step 2: Convert to fraction form
    157,529.65/236,233.05 = 68,722.60/x
  3. Step 3: Cross multiply
    157,529.65x = 236,233.05 × 68,722.60
  4. Step 4: Simplify right side
    157,529.65x = 16,234,549,401.93
  5. Step 5: Solve for x
    x = 16,234,549,401.93/157,529.65
  6. Step 6: Final answer
    x = 103,057.10

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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.