Home / 346,941.12-520,057.20-196,864.40

Finding the Fourth Proportional to 346,941.12, 520,057.20 and 196,864.40

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Solution

The fourth proportional to 346,941.12, 520,057.20 and 196,864.40 is: 295,095.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,941.12 : 520,057.20 = 196,864.40 : x
  2. Step 2: Convert to fraction form
    346,941.12/520,057.20 = 196,864.40/x
  3. Step 3: Cross multiply
    346,941.12x = 520,057.20 × 196,864.40
  4. Step 4: Simplify right side
    346,941.12x = 102,380,748,643.68
  5. Step 5: Solve for x
    x = 102,380,748,643.68/346,941.12
  6. Step 6: Final answer
    x = 295,095.46

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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.