Home / 346,961.80-520,097.10-159,646.60

Finding the Fourth Proportional to 346,961.80, 520,097.10 and 159,646.60

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Solution

The fourth proportional to 346,961.80, 520,097.10 and 159,646.60 is: 239,310.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,961.80 : 520,097.10 = 159,646.60 : x
  2. Step 2: Convert to fraction form
    346,961.80/520,097.10 = 159,646.60/x
  3. Step 3: Cross multiply
    346,961.80x = 520,097.10 × 159,646.60
  4. Step 4: Simplify right side
    346,961.80x = 83,031,733,684.86
  5. Step 5: Solve for x
    x = 83,031,733,684.86/346,961.80
  6. Step 6: Final answer
    x = 239,310.88

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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.