Home / 242,707.61-363,775.47-109,431.83

Finding the Fourth Proportional to 242,707.61, 363,775.47 and 109,431.83

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Solution

The fourth proportional to 242,707.61, 363,775.47 and 109,431.83 is: 164,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,707.61 : 363,775.47 = 109,431.83 : x
  2. Step 2: Convert to fraction form
    242,707.61/363,775.47 = 109,431.83/x
  3. Step 3: Cross multiply
    242,707.61x = 363,775.47 × 109,431.83
  4. Step 4: Simplify right side
    242,707.61x = 39,808,613,572.33
  5. Step 5: Solve for x
    x = 39,808,613,572.33/242,707.61
  6. Step 6: Final answer
    x = 164,018.81

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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.