Home / 242,571.02-363,926.73-100,390.04

Finding the Fourth Proportional to 242,571.02, 363,926.73 and 100,390.04

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Solution

The fourth proportional to 242,571.02, 363,926.73 and 100,390.04 is: 150,614.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,571.02 : 363,926.73 = 100,390.04 : x
  2. Step 2: Convert to fraction form
    242,571.02/363,926.73 = 100,390.04/x
  3. Step 3: Cross multiply
    242,571.02x = 363,926.73 × 100,390.04
  4. Step 4: Simplify right side
    242,571.02x = 36,534,618,981.77
  5. Step 5: Solve for x
    x = 36,534,618,981.77/242,571.02
  6. Step 6: Final answer
    x = 150,614.11

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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.