Home / 132,666.15-183,163.98-101,979.81

Finding the Fourth Proportional to 132,666.15, 183,163.98 and 101,979.81

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Solution

The fourth proportional to 132,666.15, 183,163.98 and 101,979.81 is: 140,797.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,666.15 : 183,163.98 = 101,979.81 : x
  2. Step 2: Convert to fraction form
    132,666.15/183,163.98 = 101,979.81/x
  3. Step 3: Cross multiply
    132,666.15x = 183,163.98 × 101,979.81
  4. Step 4: Simplify right side
    132,666.15x = 18,679,028,261.67
  5. Step 5: Solve for x
    x = 18,679,028,261.67/132,666.15
  6. Step 6: Final answer
    x = 140,797.24

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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.