Home / 118,242.26-163,177.75-64,530.73

Finding the Fourth Proportional to 118,242.26, 163,177.75 and 64,530.73

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Solution

The fourth proportional to 118,242.26, 163,177.75 and 64,530.73 is: 89,054.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,242.26 : 163,177.75 = 64,530.73 : x
  2. Step 2: Convert to fraction form
    118,242.26/163,177.75 = 64,530.73/x
  3. Step 3: Cross multiply
    118,242.26x = 163,177.75 × 64,530.73
  4. Step 4: Simplify right side
    118,242.26x = 10,529,978,511.37
  5. Step 5: Solve for x
    x = 10,529,978,511.37/118,242.26
  6. Step 6: Final answer
    x = 89,054.28

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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.