Home / 346,621.92-519,951.32-109,983.12

Finding the Fourth Proportional to 346,621.92, 519,951.32 and 109,983.12

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Solution

The fourth proportional to 346,621.92, 519,951.32 and 109,983.12 is: 164,980.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,621.92 : 519,951.32 = 109,983.12 : x
  2. Step 2: Convert to fraction form
    346,621.92/519,951.32 = 109,983.12/x
  3. Step 3: Cross multiply
    346,621.92x = 519,951.32 × 109,983.12
  4. Step 4: Simplify right side
    346,621.92x = 57,185,868,421.72
  5. Step 5: Solve for x
    x = 57,185,868,421.72/346,621.92
  6. Step 6: Final answer
    x = 164,980.53

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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.