Home / 140,499.48-193,902.21-83,909.64

Finding the Fourth Proportional to 140,499.48, 193,902.21 and 83,909.64

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Solution

The fourth proportional to 140,499.48, 193,902.21 and 83,909.64 is: 115,803.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,499.48 : 193,902.21 = 83,909.64 : x
  2. Step 2: Convert to fraction form
    140,499.48/193,902.21 = 83,909.64/x
  3. Step 3: Cross multiply
    140,499.48x = 193,902.21 × 83,909.64
  4. Step 4: Simplify right side
    140,499.48x = 16,270,264,636.30
  5. Step 5: Solve for x
    x = 16,270,264,636.30/140,499.48
  6. Step 6: Final answer
    x = 115,803.02

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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.