Home / 106,114.12-159,153.87-31,216.74

Finding the Fourth Proportional to 106,114.12, 159,153.87 and 31,216.74

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Solution

The fourth proportional to 106,114.12, 159,153.87 and 31,216.74 is: 46,820.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,114.12 : 159,153.87 = 31,216.74 : x
  2. Step 2: Convert to fraction form
    106,114.12/159,153.87 = 31,216.74/x
  3. Step 3: Cross multiply
    106,114.12x = 159,153.87 × 31,216.74
  4. Step 4: Simplify right side
    106,114.12x = 4,968,265,576.61
  5. Step 5: Solve for x
    x = 4,968,265,576.61/106,114.12
  6. Step 6: Final answer
    x = 46,820.02

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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.