Home / 448,513.92-672,881.63-132,970.83

Finding the Fourth Proportional to 448,513.92, 672,881.63 and 132,970.83

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Solution

The fourth proportional to 448,513.92, 672,881.63 and 132,970.83 is: 199,489.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,513.92 : 672,881.63 = 132,970.83 : x
  2. Step 2: Convert to fraction form
    448,513.92/672,881.63 = 132,970.83/x
  3. Step 3: Cross multiply
    448,513.92x = 672,881.63 × 132,970.83
  4. Step 4: Simplify right side
    448,513.92x = 89,473,628,168.00
  5. Step 5: Solve for x
    x = 89,473,628,168.00/448,513.92
  6. Step 6: Final answer
    x = 199,489.08

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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.