Home / 316,447.48-436,701.62-173,204.45

Finding the Fourth Proportional to 316,447.48, 436,701.62 and 173,204.45

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Solution

The fourth proportional to 316,447.48, 436,701.62 and 173,204.45 is: 239,024.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,447.48 : 436,701.62 = 173,204.45 : x
  2. Step 2: Convert to fraction form
    316,447.48/436,701.62 = 173,204.45/x
  3. Step 3: Cross multiply
    316,447.48x = 436,701.62 × 173,204.45
  4. Step 4: Simplify right side
    316,447.48x = 75,638,661,830.95
  5. Step 5: Solve for x
    x = 75,638,661,830.95/316,447.48
  6. Step 6: Final answer
    x = 239,024.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.