Home / 132,518.22-182,873.26-72,089.31

Finding the Fourth Proportional to 132,518.22, 182,873.26 and 72,089.31

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Solution

The fourth proportional to 132,518.22, 182,873.26 and 72,089.31 is: 99,482.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,518.22 : 182,873.26 = 72,089.31 : x
  2. Step 2: Convert to fraction form
    132,518.22/182,873.26 = 72,089.31/x
  3. Step 3: Cross multiply
    132,518.22x = 182,873.26 × 72,089.31
  4. Step 4: Simplify right side
    132,518.22x = 13,183,207,130.85
  5. Step 5: Solve for x
    x = 13,183,207,130.85/132,518.22
  6. Step 6: Final answer
    x = 99,482.22

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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.