Home / 115,228.40-172,813.80-44,135.60

Finding the Fourth Proportional to 115,228.40, 172,813.80 and 44,135.60

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Solution

The fourth proportional to 115,228.40, 172,813.80 and 44,135.60 is: 66,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,228.40 : 172,813.80 = 44,135.60 : x
  2. Step 2: Convert to fraction form
    115,228.40/172,813.80 = 44,135.60/x
  3. Step 3: Cross multiply
    115,228.40x = 172,813.80 × 44,135.60
  4. Step 4: Simplify right side
    115,228.40x = 7,627,240,751.28
  5. Step 5: Solve for x
    x = 7,627,240,751.28/115,228.40
  6. Step 6: Final answer
    x = 66,192.37

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1.5x scale

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.