Home / 346,979.12-520,114.20-196,902.44

Finding the Fourth Proportional to 346,979.12, 520,114.20 and 196,902.44

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Solution

The fourth proportional to 346,979.12, 520,114.20 and 196,902.44 is: 295,152.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,979.12 : 520,114.20 = 196,902.44 : x
  2. Step 2: Convert to fraction form
    346,979.12/520,114.20 = 196,902.44/x
  3. Step 3: Cross multiply
    346,979.12x = 520,114.20 × 196,902.44
  4. Step 4: Simplify right side
    346,979.12x = 102,411,755,058.65
  5. Step 5: Solve for x
    x = 102,411,755,058.65/346,979.12
  6. Step 6: Final answer
    x = 295,152.50

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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.