Home / 346,039.92-519,056.78-109,382.76

Finding the Fourth Proportional to 346,039.92, 519,056.78 and 109,382.76

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Solution

The fourth proportional to 346,039.92, 519,056.78 and 109,382.76 is: 164,073.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,039.92 : 519,056.78 = 109,382.76 : x
  2. Step 2: Convert to fraction form
    346,039.92/519,056.78 = 109,382.76/x
  3. Step 3: Cross multiply
    346,039.92x = 519,056.78 × 109,382.76
  4. Step 4: Simplify right side
    346,039.92x = 56,775,862,646.20
  5. Step 5: Solve for x
    x = 56,775,862,646.20/346,039.92
  6. Step 6: Final answer
    x = 164,073.16

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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.