Home / 346,324.20-519,486.30-109,739.40

Finding the Fourth Proportional to 346,324.20, 519,486.30 and 109,739.40

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Solution

The fourth proportional to 346,324.20, 519,486.30 and 109,739.40 is: 164,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,324.20 : 519,486.30 = 109,739.40 : x
  2. Step 2: Convert to fraction form
    346,324.20/519,486.30 = 109,739.40/x
  3. Step 3: Cross multiply
    346,324.20x = 519,486.30 × 109,739.40
  4. Step 4: Simplify right side
    346,324.20x = 57,008,114,870.22
  5. Step 5: Solve for x
    x = 57,008,114,870.22/346,324.20
  6. Step 6: Final answer
    x = 164,609.10

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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.