Home / 300,772.17-415,047.24-171,725.40

Finding the Fourth Proportional to 300,772.17, 415,047.24 and 171,725.40

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Solution

The fourth proportional to 300,772.17, 415,047.24 and 171,725.40 is: 236,970.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,772.17 : 415,047.24 = 171,725.40 : x
  2. Step 2: Convert to fraction form
    300,772.17/415,047.24 = 171,725.40/x
  3. Step 3: Cross multiply
    300,772.17x = 415,047.24 × 171,725.40
  4. Step 4: Simplify right side
    300,772.17x = 71,274,153,307.90
  5. Step 5: Solve for x
    x = 71,274,153,307.90/300,772.17
  6. Step 6: Final answer
    x = 236,970.57

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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.