Home / 126,275.24-189,357.06-47,334.09

Finding the Fourth Proportional to 126,275.24, 189,357.06 and 47,334.09

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Solution

The fourth proportional to 126,275.24, 189,357.06 and 47,334.09 is: 70,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,275.24 : 189,357.06 = 47,334.09 : x
  2. Step 2: Convert to fraction form
    126,275.24/189,357.06 = 47,334.09/x
  3. Step 3: Cross multiply
    126,275.24x = 189,357.06 × 47,334.09
  4. Step 4: Simplify right side
    126,275.24x = 8,963,044,120.18
  5. Step 5: Solve for x
    x = 8,963,044,120.18/126,275.24
  6. Step 6: Final answer
    x = 70,980.22

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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.