Home / 318,077.17-438,947.95-174,846.44

Finding the Fourth Proportional to 318,077.17, 438,947.95 and 174,846.44

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Solution

The fourth proportional to 318,077.17, 438,947.95 and 174,846.44 is: 241,288.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,077.17 : 438,947.95 = 174,846.44 : x
  2. Step 2: Convert to fraction form
    318,077.17/438,947.95 = 174,846.44/x
  3. Step 3: Cross multiply
    318,077.17x = 438,947.95 × 174,846.44
  4. Step 4: Simplify right side
    318,077.17x = 76,748,486,402.80
  5. Step 5: Solve for x
    x = 76,748,486,402.80/318,077.17
  6. Step 6: Final answer
    x = 241,288.89

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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.