Home / 374,740.38-562,330.49-138,247.92

Finding the Fourth Proportional to 374,740.38, 562,330.49 and 138,247.92

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Solution

The fourth proportional to 374,740.38, 562,330.49 and 138,247.92 is: 207,453.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,740.38 : 562,330.49 = 138,247.92 : x
  2. Step 2: Convert to fraction form
    374,740.38/562,330.49 = 138,247.92/x
  3. Step 3: Cross multiply
    374,740.38x = 562,330.49 × 138,247.92
  4. Step 4: Simplify right side
    374,740.38x = 77,741,019,903.84
  5. Step 5: Solve for x
    x = 77,741,019,903.84/374,740.38
  6. Step 6: Final answer
    x = 207,453.01

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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.