Home / 165,582.60-248,234.58-72,017.88

Finding the Fourth Proportional to 165,582.60, 248,234.58 and 72,017.88

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Solution

The fourth proportional to 165,582.60, 248,234.58 and 72,017.88 is: 107,966.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,582.60 : 248,234.58 = 72,017.88 : x
  2. Step 2: Convert to fraction form
    165,582.60/248,234.58 = 72,017.88/x
  3. Step 3: Cross multiply
    165,582.60x = 248,234.58 × 72,017.88
  4. Step 4: Simplify right side
    165,582.60x = 17,877,328,194.29
  5. Step 5: Solve for x
    x = 17,877,328,194.29/165,582.60
  6. Step 6: Final answer
    x = 107,966.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.