Home / 157,369.14-236,055.42-125,978.76

Finding the Fourth Proportional to 157,369.14, 236,055.42 and 125,978.76

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Solution

The fourth proportional to 157,369.14, 236,055.42 and 125,978.76 is: 188,969.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,369.14 : 236,055.42 = 125,978.76 : x
  2. Step 2: Convert to fraction form
    157,369.14/236,055.42 = 125,978.76/x
  3. Step 3: Cross multiply
    157,369.14x = 236,055.42 × 125,978.76
  4. Step 4: Simplify right side
    157,369.14x = 29,737,969,102.88
  5. Step 5: Solve for x
    x = 29,737,969,102.88/157,369.14
  6. Step 6: Final answer
    x = 188,969.51

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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.