Home / 347,848.91-521,838.95-131,772.32

Finding the Fourth Proportional to 347,848.91, 521,838.95 and 131,772.32

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Solution

The fourth proportional to 347,848.91, 521,838.95 and 131,772.32 is: 197,683.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,848.91 : 521,838.95 = 131,772.32 : x
  2. Step 2: Convert to fraction form
    347,848.91/521,838.95 = 131,772.32/x
  3. Step 3: Cross multiply
    347,848.91x = 521,838.95 × 131,772.32
  4. Step 4: Simplify right side
    347,848.91x = 68,763,928,449.00
  5. Step 5: Solve for x
    x = 68,763,928,449.00/347,848.91
  6. Step 6: Final answer
    x = 197,683.32

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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.