Home / 346,021.35-518,875.89-146,238.90

Finding the Fourth Proportional to 346,021.35, 518,875.89 and 146,238.90

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Solution

The fourth proportional to 346,021.35, 518,875.89 and 146,238.90 is: 219,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,021.35 : 518,875.89 = 146,238.90 : x
  2. Step 2: Convert to fraction form
    346,021.35/518,875.89 = 146,238.90/x
  3. Step 3: Cross multiply
    346,021.35x = 518,875.89 × 146,238.90
  4. Step 4: Simplify right side
    346,021.35x = 75,879,839,390.12
  5. Step 5: Solve for x
    x = 75,879,839,390.12/346,021.35
  6. Step 6: Final answer
    x = 219,292.36

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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.