Home / 106,321.77-159,482.84-99,826.38

Finding the Fourth Proportional to 106,321.77, 159,482.84 and 99,826.38

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Solution

The fourth proportional to 106,321.77, 159,482.84 and 99,826.38 is: 149,739.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,321.77 : 159,482.84 = 99,826.38 : x
  2. Step 2: Convert to fraction form
    106,321.77/159,482.84 = 99,826.38/x
  3. Step 3: Cross multiply
    106,321.77x = 159,482.84 × 99,826.38
  4. Step 4: Simplify right side
    106,321.77x = 15,920,594,090.19
  5. Step 5: Solve for x
    x = 15,920,594,090.19/106,321.77
  6. Step 6: Final answer
    x = 149,739.74

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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.