Home / 118,539.20-163,584.06-64,824.26

Finding the Fourth Proportional to 118,539.20, 163,584.06 and 64,824.26

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Solution

The fourth proportional to 118,539.20, 163,584.06 and 64,824.26 is: 89,457.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,539.20 : 163,584.06 = 64,824.26 : x
  2. Step 2: Convert to fraction form
    118,539.20/163,584.06 = 64,824.26/x
  3. Step 3: Cross multiply
    118,539.20x = 163,584.06 × 64,824.26
  4. Step 4: Simplify right side
    118,539.20x = 10,604,214,819.38
  5. Step 5: Solve for x
    x = 10,604,214,819.38/118,539.20
  6. Step 6: Final answer
    x = 89,457.46

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1.5x scale

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.