Home / 346,194.12-518,897.52-146,389.80

Finding the Fourth Proportional to 346,194.12, 518,897.52 and 146,389.80

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Solution

The fourth proportional to 346,194.12, 518,897.52 and 146,389.80 is: 219,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,194.12 : 518,897.52 = 146,389.80 : x
  2. Step 2: Convert to fraction form
    346,194.12/518,897.52 = 146,389.80/x
  3. Step 3: Cross multiply
    346,194.12x = 518,897.52 × 146,389.80
  4. Step 4: Simplify right side
    346,194.12x = 75,961,304,173.30
  5. Step 5: Solve for x
    x = 75,961,304,173.30/346,194.12
  6. Step 6: Final answer
    x = 219,418.24

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1.5x scale

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.