Home / 132,772.29-183,223.44-72,343.43

Finding the Fourth Proportional to 132,772.29, 183,223.44 and 72,343.43

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Solution

The fourth proportional to 132,772.29, 183,223.44 and 72,343.43 is: 99,832.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,772.29 : 183,223.44 = 72,343.43 : x
  2. Step 2: Convert to fraction form
    132,772.29/183,223.44 = 72,343.43/x
  3. Step 3: Cross multiply
    132,772.29x = 183,223.44 × 72,343.43
  4. Step 4: Simplify right side
    132,772.29x = 13,255,012,106.00
  5. Step 5: Solve for x
    x = 13,255,012,106.00/132,772.29
  6. Step 6: Final answer
    x = 99,832.67

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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.