Home / 140,493.48-193,893.93-83,903.64

Finding the Fourth Proportional to 140,493.48, 193,893.93 and 83,903.64

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Solution

The fourth proportional to 140,493.48, 193,893.93 and 83,903.64 is: 115,794.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,493.48 : 193,893.93 = 83,903.64 : x
  2. Step 2: Convert to fraction form
    140,493.48/193,893.93 = 83,903.64/x
  3. Step 3: Cross multiply
    140,493.48x = 193,893.93 × 83,903.64
  4. Step 4: Simplify right side
    140,493.48x = 16,268,406,500.91
  5. Step 5: Solve for x
    x = 16,268,406,500.91/140,493.48
  6. Step 6: Final answer
    x = 115,794.74

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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.