Home / 126,263.34-189,345.79-47,334.50

Finding the Fourth Proportional to 126,263.34, 189,345.79 and 47,334.50

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Solution

The fourth proportional to 126,263.34, 189,345.79 and 47,334.50 is: 70,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,263.34 : 189,345.79 = 47,334.50 : x
  2. Step 2: Convert to fraction form
    126,263.34/189,345.79 = 47,334.50/x
  3. Step 3: Cross multiply
    126,263.34x = 189,345.79 × 47,334.50
  4. Step 4: Simplify right side
    126,263.34x = 8,962,588,296.76
  5. Step 5: Solve for x
    x = 8,962,588,296.76/126,263.34
  6. Step 6: Final answer
    x = 70,983.30

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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.