Home / 372,385.33-558,140.59-172,283.06

Finding the Fourth Proportional to 372,385.33, 558,140.59 and 172,283.06

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Solution

The fourth proportional to 372,385.33, 558,140.59 and 172,283.06 is: 258,222.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,385.33 : 558,140.59 = 172,283.06 : x
  2. Step 2: Convert to fraction form
    372,385.33/558,140.59 = 172,283.06/x
  3. Step 3: Cross multiply
    372,385.33x = 558,140.59 × 172,283.06
  4. Step 4: Simplify right side
    372,385.33x = 96,158,167,893.99
  5. Step 5: Solve for x
    x = 96,158,167,893.99/372,385.33
  6. Step 6: Final answer
    x = 258,222.23

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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.