Home / 450,802.13-676,021.55-162,531.70

Finding the Fourth Proportional to 450,802.13, 676,021.55 and 162,531.70

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Solution

The fourth proportional to 450,802.13, 676,021.55 and 162,531.70 is: 243,732.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,802.13 : 676,021.55 = 162,531.70 : x
  2. Step 2: Convert to fraction form
    450,802.13/676,021.55 = 162,531.70/x
  3. Step 3: Cross multiply
    450,802.13x = 676,021.55 × 162,531.70
  4. Step 4: Simplify right side
    450,802.13x = 109,874,929,255.42
  5. Step 5: Solve for x
    x = 109,874,929,255.42/450,802.13
  6. Step 6: Final answer
    x = 243,732.06

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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.