Home / 135,950.02-187,612.32-74,697.50

Finding the Fourth Proportional to 135,950.02, 187,612.32 and 74,697.50

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Solution

The fourth proportional to 135,950.02, 187,612.32 and 74,697.50 is: 103,083.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,950.02 : 187,612.32 = 74,697.50 : x
  2. Step 2: Convert to fraction form
    135,950.02/187,612.32 = 74,697.50/x
  3. Step 3: Cross multiply
    135,950.02x = 187,612.32 × 74,697.50
  4. Step 4: Simplify right side
    135,950.02x = 14,014,170,711.88
  5. Step 5: Solve for x
    x = 14,014,170,711.88/135,950.02
  6. Step 6: Final answer
    x = 103,083.25

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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.