Home / 122,046.06-168,501.90-83,793.30

Finding the Fourth Proportional to 122,046.06, 168,501.90 and 83,793.30

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Solution

The fourth proportional to 122,046.06, 168,501.90 and 83,793.30 is: 115,688.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,046.06 : 168,501.90 = 83,793.30 : x
  2. Step 2: Convert to fraction form
    122,046.06/168,501.90 = 83,793.30/x
  3. Step 3: Cross multiply
    122,046.06x = 168,501.90 × 83,793.30
  4. Step 4: Simplify right side
    122,046.06x = 14,119,330,257.27
  5. Step 5: Solve for x
    x = 14,119,330,257.27/122,046.06
  6. Step 6: Final answer
    x = 115,688.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.