Home / 132,807.64-183,281.04-74,682.67

Finding the Fourth Proportional to 132,807.64, 183,281.04 and 74,682.67

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Solution

The fourth proportional to 132,807.64, 183,281.04 and 74,682.67 is: 103,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,807.64 : 183,281.04 = 74,682.67 : x
  2. Step 2: Convert to fraction form
    132,807.64/183,281.04 = 74,682.67/x
  3. Step 3: Cross multiply
    132,807.64x = 183,281.04 × 74,682.67
  4. Step 4: Simplify right side
    132,807.64x = 13,687,917,418.05
  5. Step 5: Solve for x
    x = 13,687,917,418.05/132,807.64
  6. Step 6: Final answer
    x = 103,065.74

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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.