Home / 140,092.62-193,327.58-76,430.40

Finding the Fourth Proportional to 140,092.62, 193,327.58 and 76,430.40

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Solution

The fourth proportional to 140,092.62, 193,327.58 and 76,430.40 is: 105,473.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,092.62 : 193,327.58 = 76,430.40 : x
  2. Step 2: Convert to fraction form
    140,092.62/193,327.58 = 76,430.40/x
  3. Step 3: Cross multiply
    140,092.62x = 193,327.58 × 76,430.40
  4. Step 4: Simplify right side
    140,092.62x = 14,776,104,270.43
  5. Step 5: Solve for x
    x = 14,776,104,270.43/140,092.62
  6. Step 6: Final answer
    x = 105,473.82

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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.