Home / 346,630.68-519,944.65-109,991.81

Finding the Fourth Proportional to 346,630.68, 519,944.65 and 109,991.81

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Solution

The fourth proportional to 346,630.68, 519,944.65 and 109,991.81 is: 164,987.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,630.68 : 519,944.65 = 109,991.81 : x
  2. Step 2: Convert to fraction form
    346,630.68/519,944.65 = 109,991.81/x
  3. Step 3: Cross multiply
    346,630.68x = 519,944.65 × 109,991.81
  4. Step 4: Simplify right side
    346,630.68x = 57,189,653,153.32
  5. Step 5: Solve for x
    x = 57,189,653,153.32/346,630.68
  6. Step 6: Final answer
    x = 164,987.28

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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.