Home / 448,001.30-672,133.14-132,466.40

Finding the Fourth Proportional to 448,001.30, 672,133.14 and 132,466.40

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Solution

The fourth proportional to 448,001.30, 672,133.14 and 132,466.40 is: 198,738.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,001.30 : 672,133.14 = 132,466.40 : x
  2. Step 2: Convert to fraction form
    448,001.30/672,133.14 = 132,466.40/x
  3. Step 3: Cross multiply
    448,001.30x = 672,133.14 × 132,466.40
  4. Step 4: Simplify right side
    448,001.30x = 89,035,057,376.50
  5. Step 5: Solve for x
    x = 89,035,057,376.50/448,001.30
  6. Step 6: Final answer
    x = 198,738.39

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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.