Home / 236,887.60-355,331.40-157,745.20

Finding the Fourth Proportional to 236,887.60, 355,331.40 and 157,745.20

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Solution

The fourth proportional to 236,887.60, 355,331.40 and 157,745.20 is: 236,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,887.60 : 355,331.40 = 157,745.20 : x
  2. Step 2: Convert to fraction form
    236,887.60/355,331.40 = 157,745.20/x
  3. Step 3: Cross multiply
    236,887.60x = 355,331.40 × 157,745.20
  4. Step 4: Simplify right side
    236,887.60x = 56,051,822,759.28
  5. Step 5: Solve for x
    x = 56,051,822,759.28/236,887.60
  6. Step 6: Final answer
    x = 236,617.80

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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.