Home / 118,679.26-163,777.60-64,967.57

Finding the Fourth Proportional to 118,679.26, 163,777.60 and 64,967.57

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Solution

The fourth proportional to 118,679.26, 163,777.60 and 64,967.57 is: 89,655.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,679.26 : 163,777.60 = 64,967.57 : x
  2. Step 2: Convert to fraction form
    118,679.26/163,777.60 = 64,967.57/x
  3. Step 3: Cross multiply
    118,679.26x = 163,777.60 × 64,967.57
  4. Step 4: Simplify right side
    118,679.26x = 10,640,232,203.48
  5. Step 5: Solve for x
    x = 10,640,232,203.48/118,679.26
  6. Step 6: Final answer
    x = 89,655.36

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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.