Home / 346,631.68-519,946.15-109,992.81

Finding the Fourth Proportional to 346,631.68, 519,946.15 and 109,992.81

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Solution

The fourth proportional to 346,631.68, 519,946.15 and 109,992.81 is: 164,988.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,631.68 : 519,946.15 = 109,992.81 : x
  2. Step 2: Convert to fraction form
    346,631.68/519,946.15 = 109,992.81/x
  3. Step 3: Cross multiply
    346,631.68x = 519,946.15 × 109,992.81
  4. Step 4: Simplify right side
    346,631.68x = 57,190,338,087.18
  5. Step 5: Solve for x
    x = 57,190,338,087.18/346,631.68
  6. Step 6: Final answer
    x = 164,988.78

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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.