Home / 132,806.30-183,267.34-72,375.64

Finding the Fourth Proportional to 132,806.30, 183,267.34 and 72,375.64

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Solution

The fourth proportional to 132,806.30, 183,267.34 and 72,375.64 is: 99,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,806.30 : 183,267.34 = 72,375.64 : x
  2. Step 2: Convert to fraction form
    132,806.30/183,267.34 = 72,375.64/x
  3. Step 3: Cross multiply
    132,806.30x = 183,267.34 × 72,375.64
  4. Step 4: Simplify right side
    132,806.30x = 13,264,091,023.60
  5. Step 5: Solve for x
    x = 13,264,091,023.60/132,806.30
  6. Step 6: Final answer
    x = 99,875.47

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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.