Home / 193,909.02-290,565.45-114,865.98

Finding the Fourth Proportional to 193,909.02, 290,565.45 and 114,865.98

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Solution

The fourth proportional to 193,909.02, 290,565.45 and 114,865.98 is: 172,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,909.02 : 290,565.45 = 114,865.98 : x
  2. Step 2: Convert to fraction form
    193,909.02/290,565.45 = 114,865.98/x
  3. Step 3: Cross multiply
    193,909.02x = 290,565.45 × 114,865.98
  4. Step 4: Simplify right side
    193,909.02x = 33,376,085,168.39
  5. Step 5: Solve for x
    x = 33,376,085,168.39/193,909.02
  6. Step 6: Final answer
    x = 172,122.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.