Home / 448,535.14-672,688.09-132,918.24

Finding the Fourth Proportional to 448,535.14, 672,688.09 and 132,918.24

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Solution

The fourth proportional to 448,535.14, 672,688.09 and 132,918.24 is: 199,343.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,535.14 : 672,688.09 = 132,918.24 : x
  2. Step 2: Convert to fraction form
    448,535.14/672,688.09 = 132,918.24/x
  3. Step 3: Cross multiply
    448,535.14x = 672,688.09 × 132,918.24
  4. Step 4: Simplify right side
    448,535.14x = 89,412,516,991.76
  5. Step 5: Solve for x
    x = 89,412,516,991.76/448,535.14
  6. Step 6: Final answer
    x = 199,343.39

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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.