Home / 163,566.20-245,357.40-84,834.20

Finding the Fourth Proportional to 163,566.20, 245,357.40 and 84,834.20

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Solution

The fourth proportional to 163,566.20, 245,357.40 and 84,834.20 is: 127,255.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,566.20 : 245,357.40 = 84,834.20 : x
  2. Step 2: Convert to fraction form
    163,566.20/245,357.40 = 84,834.20/x
  3. Step 3: Cross multiply
    163,566.20x = 245,357.40 × 84,834.20
  4. Step 4: Simplify right side
    163,566.20x = 20,814,698,743.08
  5. Step 5: Solve for x
    x = 20,814,698,743.08/163,566.20
  6. Step 6: Final answer
    x = 127,255.50

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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.