Home / 132,486.26-182,829.24-72,055.60

Finding the Fourth Proportional to 132,486.26, 182,829.24 and 72,055.60

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Solution

The fourth proportional to 132,486.26, 182,829.24 and 72,055.60 is: 99,435.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,486.26 : 182,829.24 = 72,055.60 : x
  2. Step 2: Convert to fraction form
    132,486.26/182,829.24 = 72,055.60/x
  3. Step 3: Cross multiply
    132,486.26x = 182,829.24 × 72,055.60
  4. Step 4: Simplify right side
    132,486.26x = 13,173,870,585.74
  5. Step 5: Solve for x
    x = 13,173,870,585.74/132,486.26
  6. Step 6: Final answer
    x = 99,435.75

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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.