Home / 317,592.10-438,263.78-174,355.46

Finding the Fourth Proportional to 317,592.10, 438,263.78 and 174,355.46

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Solution

The fourth proportional to 317,592.10, 438,263.78 and 174,355.46 is: 240,603.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,592.10 : 438,263.78 = 174,355.46 : x
  2. Step 2: Convert to fraction form
    317,592.10/438,263.78 = 174,355.46/x
  3. Step 3: Cross multiply
    317,592.10x = 438,263.78 × 174,355.46
  4. Step 4: Simplify right side
    317,592.10x = 76,413,682,963.24
  5. Step 5: Solve for x
    x = 76,413,682,963.24/317,592.10
  6. Step 6: Final answer
    x = 240,603.22

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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.