Home / 190,911.90-263,487.15-137,374.14

Finding the Fourth Proportional to 190,911.90, 263,487.15 and 137,374.14

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Solution

The fourth proportional to 190,911.90, 263,487.15 and 137,374.14 is: 189,596.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,911.90 : 263,487.15 = 137,374.14 : x
  2. Step 2: Convert to fraction form
    190,911.90/263,487.15 = 137,374.14/x
  3. Step 3: Cross multiply
    190,911.90x = 263,487.15 × 137,374.14
  4. Step 4: Simplify right side
    190,911.90x = 36,196,320,632.30
  5. Step 5: Solve for x
    x = 36,196,320,632.30/190,911.90
  6. Step 6: Final answer
    x = 189,596.98

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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.