Home / 140,336.12-193,600.80-86,623.40

Finding the Fourth Proportional to 140,336.12, 193,600.80 and 86,623.40

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Solution

The fourth proportional to 140,336.12, 193,600.80 and 86,623.40 is: 119,501.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,336.12 : 193,600.80 = 86,623.40 : x
  2. Step 2: Convert to fraction form
    140,336.12/193,600.80 = 86,623.40/x
  3. Step 3: Cross multiply
    140,336.12x = 193,600.80 × 86,623.40
  4. Step 4: Simplify right side
    140,336.12x = 16,770,359,538.72
  5. Step 5: Solve for x
    x = 16,770,359,538.72/140,336.12
  6. Step 6: Final answer
    x = 119,501.38

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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.