Home / 140,221.70-193,496.93-76,559.34

Finding the Fourth Proportional to 140,221.70, 193,496.93 and 76,559.34

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Solution

The fourth proportional to 140,221.70, 193,496.93 and 76,559.34 is: 105,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,221.70 : 193,496.93 = 76,559.34 : x
  2. Step 2: Convert to fraction form
    140,221.70/193,496.93 = 76,559.34/x
  3. Step 3: Cross multiply
    140,221.70x = 193,496.93 × 76,559.34
  4. Step 4: Simplify right side
    140,221.70x = 14,813,997,252.83
  5. Step 5: Solve for x
    x = 14,813,997,252.83/140,221.70
  6. Step 6: Final answer
    x = 105,646.97

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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.