Home / 346,348.90-519,519.76-109,691.55

Finding the Fourth Proportional to 346,348.90, 519,519.76 and 109,691.55

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Solution

The fourth proportional to 346,348.90, 519,519.76 and 109,691.55 is: 164,536.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,348.90 : 519,519.76 = 109,691.55 : x
  2. Step 2: Convert to fraction form
    346,348.90/519,519.76 = 109,691.55/x
  3. Step 3: Cross multiply
    346,348.90x = 519,519.76 × 109,691.55
  4. Step 4: Simplify right side
    346,348.90x = 56,986,927,730.03
  5. Step 5: Solve for x
    x = 56,986,927,730.03/346,348.90
  6. Step 6: Final answer
    x = 164,536.19

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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.