Home / 346,053.60-518,983.20-109,468.80

Finding the Fourth Proportional to 346,053.60, 518,983.20 and 109,468.80

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Solution

The fourth proportional to 346,053.60, 518,983.20 and 109,468.80 is: 164,172.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,053.60 : 518,983.20 = 109,468.80 : x
  2. Step 2: Convert to fraction form
    346,053.60/518,983.20 = 109,468.80/x
  3. Step 3: Cross multiply
    346,053.60x = 518,983.20 × 109,468.80
  4. Step 4: Simplify right side
    346,053.60x = 56,812,468,124.16
  5. Step 5: Solve for x
    x = 56,812,468,124.16/346,053.60
  6. Step 6: Final answer
    x = 164,172.45

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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.