Home / 150,770.86-208,090.65-112,721.38

Finding the Fourth Proportional to 150,770.86, 208,090.65 and 112,721.38

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Solution

The fourth proportional to 150,770.86, 208,090.65 and 112,721.38 is: 155,575.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,770.86 : 208,090.65 = 112,721.38 : x
  2. Step 2: Convert to fraction form
    150,770.86/208,090.65 = 112,721.38/x
  3. Step 3: Cross multiply
    150,770.86x = 208,090.65 × 112,721.38
  4. Step 4: Simplify right side
    150,770.86x = 23,456,265,233.10
  5. Step 5: Solve for x
    x = 23,456,265,233.10/150,770.86
  6. Step 6: Final answer
    x = 155,575.59

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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.