Home / 140,525.48-193,922.76-76,861.94

Finding the Fourth Proportional to 140,525.48, 193,922.76 and 76,861.94

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Solution

The fourth proportional to 140,525.48, 193,922.76 and 76,861.94 is: 106,068.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,525.48 : 193,922.76 = 76,861.94 : x
  2. Step 2: Convert to fraction form
    140,525.48/193,922.76 = 76,861.94/x
  3. Step 3: Cross multiply
    140,525.48x = 193,922.76 × 76,861.94
  4. Step 4: Simplify right side
    140,525.48x = 14,905,279,543.75
  5. Step 5: Solve for x
    x = 14,905,279,543.75/140,525.48
  6. Step 6: Final answer
    x = 106,068.16

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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.