Home / 150,910.32-208,274.60-86,403.52

Finding the Fourth Proportional to 150,910.32, 208,274.60 and 86,403.52

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Solution

The fourth proportional to 150,910.32, 208,274.60 and 86,403.52 is: 119,247.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,910.32 : 208,274.60 = 86,403.52 : x
  2. Step 2: Convert to fraction form
    150,910.32/208,274.60 = 86,403.52/x
  3. Step 3: Cross multiply
    150,910.32x = 208,274.60 × 86,403.52
  4. Step 4: Simplify right side
    150,910.32x = 17,995,658,566.59
  5. Step 5: Solve for x
    x = 17,995,658,566.59/150,910.32
  6. Step 6: Final answer
    x = 119,247.37

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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.