Home / 132,751.12-183,194.04-72,322.96

Finding the Fourth Proportional to 132,751.12, 183,194.04 and 72,322.96

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Solution

The fourth proportional to 132,751.12, 183,194.04 and 72,322.96 is: 99,804.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,751.12 : 183,194.04 = 72,322.96 : x
  2. Step 2: Convert to fraction form
    132,751.12/183,194.04 = 72,322.96/x
  3. Step 3: Cross multiply
    132,751.12x = 183,194.04 × 72,322.96
  4. Step 4: Simplify right side
    132,751.12x = 13,249,135,227.16
  5. Step 5: Solve for x
    x = 13,249,135,227.16/132,751.12
  6. Step 6: Final answer
    x = 99,804.32

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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.