Home / 158,237.20-237,388.20-53,131.60

Finding the Fourth Proportional to 158,237.20, 237,388.20 and 53,131.60

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Solution

The fourth proportional to 158,237.20, 237,388.20 and 53,131.60 is: 79,708.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,237.20 : 237,388.20 = 53,131.60 : x
  2. Step 2: Convert to fraction form
    158,237.20/237,388.20 = 53,131.60/x
  3. Step 3: Cross multiply
    158,237.20x = 237,388.20 × 53,131.60
  4. Step 4: Simplify right side
    158,237.20x = 12,612,814,887.12
  5. Step 5: Solve for x
    x = 12,612,814,887.12/158,237.20
  6. Step 6: Final answer
    x = 79,708.28

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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.