Home / 132,209.59-182,448.21-71,779.02

Finding the Fourth Proportional to 132,209.59, 182,448.21 and 71,779.02

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Solution

The fourth proportional to 132,209.59, 182,448.21 and 71,779.02 is: 99,054.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,209.59 : 182,448.21 = 71,779.02 : x
  2. Step 2: Convert to fraction form
    132,209.59/182,448.21 = 71,779.02/x
  3. Step 3: Cross multiply
    132,209.59x = 182,448.21 × 71,779.02
  4. Step 4: Simplify right side
    132,209.59x = 13,095,953,714.55
  5. Step 5: Solve for x
    x = 13,095,953,714.55/132,209.59
  6. Step 6: Final answer
    x = 99,054.49

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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.