Home / 126,460.72-189,700.80-37,707.28

Finding the Fourth Proportional to 126,460.72, 189,700.80 and 37,707.28

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Solution

The fourth proportional to 126,460.72, 189,700.80 and 37,707.28 is: 56,563.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,460.72 : 189,700.80 = 37,707.28 : x
  2. Step 2: Convert to fraction form
    126,460.72/189,700.80 = 37,707.28/x
  3. Step 3: Cross multiply
    126,460.72x = 189,700.80 × 37,707.28
  4. Step 4: Simplify right side
    126,460.72x = 7,153,101,181.82
  5. Step 5: Solve for x
    x = 7,153,101,181.82/126,460.72
  6. Step 6: Final answer
    x = 56,563.82

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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.