Home / 346,054.20-519,081.30-109,469.40

Finding the Fourth Proportional to 346,054.20, 519,081.30 and 109,469.40

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Solution

The fourth proportional to 346,054.20, 519,081.30 and 109,469.40 is: 164,204.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,054.20 : 519,081.30 = 109,469.40 : x
  2. Step 2: Convert to fraction form
    346,054.20/519,081.30 = 109,469.40/x
  3. Step 3: Cross multiply
    346,054.20x = 519,081.30 × 109,469.40
  4. Step 4: Simplify right side
    346,054.20x = 56,823,518,462.22
  5. Step 5: Solve for x
    x = 56,823,518,462.22/346,054.20
  6. Step 6: Final answer
    x = 164,204.10

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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.