Home / 165,087.80-247,631.70-163,532.60

Finding the Fourth Proportional to 165,087.80, 247,631.70 and 163,532.60

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Solution

The fourth proportional to 165,087.80, 247,631.70 and 163,532.60 is: 245,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,087.80 : 247,631.70 = 163,532.60 : x
  2. Step 2: Convert to fraction form
    165,087.80/247,631.70 = 163,532.60/x
  3. Step 3: Cross multiply
    165,087.80x = 247,631.70 × 163,532.60
  4. Step 4: Simplify right side
    165,087.80x = 40,495,855,743.42
  5. Step 5: Solve for x
    x = 40,495,855,743.42/165,087.80
  6. Step 6: Final answer
    x = 245,298.90

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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.