Home / 374,449.50-561,674.25-125,131.50

Finding the Fourth Proportional to 374,449.50, 561,674.25 and 125,131.50

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Solution

The fourth proportional to 374,449.50, 561,674.25 and 125,131.50 is: 187,697.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,449.50 : 561,674.25 = 125,131.50 : x
  2. Step 2: Convert to fraction form
    374,449.50/561,674.25 = 125,131.50/x
  3. Step 3: Cross multiply
    374,449.50x = 561,674.25 × 125,131.50
  4. Step 4: Simplify right side
    374,449.50x = 70,283,141,413.88
  5. Step 5: Solve for x
    x = 70,283,141,413.88/374,449.50
  6. Step 6: Final answer
    x = 187,697.25

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1.5x scale

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.