Home / 132,783.13-199,305.91-70,453.63

Finding the Fourth Proportional to 132,783.13, 199,305.91 and 70,453.63

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Solution

The fourth proportional to 132,783.13, 199,305.91 and 70,453.63 is: 105,750.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,783.13 : 199,305.91 = 70,453.63 : x
  2. Step 2: Convert to fraction form
    132,783.13/199,305.91 = 70,453.63/x
  3. Step 3: Cross multiply
    132,783.13x = 199,305.91 × 70,453.63
  4. Step 4: Simplify right side
    132,783.13x = 14,041,823,843.42
  5. Step 5: Solve for x
    x = 14,041,823,843.42/132,783.13
  6. Step 6: Final answer
    x = 105,750.06

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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.