Home / 346,347.90-519,518.26-109,690.55

Finding the Fourth Proportional to 346,347.90, 519,518.26 and 109,690.55

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Solution

The fourth proportional to 346,347.90, 519,518.26 and 109,690.55 is: 164,534.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,347.90 : 519,518.26 = 109,690.55 : x
  2. Step 2: Convert to fraction form
    346,347.90/519,518.26 = 109,690.55/x
  3. Step 3: Cross multiply
    346,347.90x = 519,518.26 × 109,690.55
  4. Step 4: Simplify right side
    346,347.90x = 56,986,245,467.44
  5. Step 5: Solve for x
    x = 56,986,245,467.44/346,347.90
  6. Step 6: Final answer
    x = 164,534.69

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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.