Home / 140,333.36-193,657.77-76,669.79

Finding the Fourth Proportional to 140,333.36, 193,657.77 and 76,669.79

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Solution

The fourth proportional to 140,333.36, 193,657.77 and 76,669.79 is: 105,803.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,333.36 : 193,657.77 = 76,669.79 : x
  2. Step 2: Convert to fraction form
    140,333.36/193,657.77 = 76,669.79/x
  3. Step 3: Cross multiply
    140,333.36x = 193,657.77 × 76,669.79
  4. Step 4: Simplify right side
    140,333.36x = 14,847,699,589.48
  5. Step 5: Solve for x
    x = 14,847,699,589.48/140,333.36
  6. Step 6: Final answer
    x = 105,803.07

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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.