Home / 126,109.12-189,204.54-37,364.08

Finding the Fourth Proportional to 126,109.12, 189,204.54 and 37,364.08

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Solution

The fourth proportional to 126,109.12, 189,204.54 and 37,364.08 is: 56,058.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,109.12 : 189,204.54 = 37,364.08 : x
  2. Step 2: Convert to fraction form
    126,109.12/189,204.54 = 37,364.08/x
  3. Step 3: Cross multiply
    126,109.12x = 189,204.54 × 37,364.08
  4. Step 4: Simplify right side
    126,109.12x = 7,069,453,568.92
  5. Step 5: Solve for x
    x = 7,069,453,568.92/126,109.12
  6. Step 6: Final answer
    x = 56,058.23

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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.