Home / 126,166.16-189,249.95-37,420.34

Finding the Fourth Proportional to 126,166.16, 189,249.95 and 37,420.34

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Solution

The fourth proportional to 126,166.16, 189,249.95 and 37,420.34 is: 56,130.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,166.16 : 189,249.95 = 37,420.34 : x
  2. Step 2: Convert to fraction form
    126,166.16/189,249.95 = 37,420.34/x
  3. Step 3: Cross multiply
    126,166.16x = 189,249.95 × 37,420.34
  4. Step 4: Simplify right side
    126,166.16x = 7,081,796,621.28
  5. Step 5: Solve for x
    x = 7,081,796,621.28/126,166.16
  6. Step 6: Final answer
    x = 56,130.71

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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.