Home / 210,734.58-315,768.95-171,098.04

Finding the Fourth Proportional to 210,734.58, 315,768.95 and 171,098.04

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Solution

The fourth proportional to 210,734.58, 315,768.95 and 171,098.04 is: 256,376.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,734.58 : 315,768.95 = 171,098.04 : x
  2. Step 2: Convert to fraction form
    210,734.58/315,768.95 = 171,098.04/x
  3. Step 3: Cross multiply
    210,734.58x = 315,768.95 × 171,098.04
  4. Step 4: Simplify right side
    210,734.58x = 54,027,448,437.86
  5. Step 5: Solve for x
    x = 54,027,448,437.86/210,734.58
  6. Step 6: Final answer
    x = 256,376.76

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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.