Home / 172,486.02-258,710.82-46,139.01

Finding the Fourth Proportional to 172,486.02, 258,710.82 and 46,139.01

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Solution

The fourth proportional to 172,486.02, 258,710.82 and 46,139.01 is: 69,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,486.02 : 258,710.82 = 46,139.01 : x
  2. Step 2: Convert to fraction form
    172,486.02/258,710.82 = 46,139.01/x
  3. Step 3: Cross multiply
    172,486.02x = 258,710.82 × 46,139.01
  4. Step 4: Simplify right side
    172,486.02x = 11,936,661,111.09
  5. Step 5: Solve for x
    x = 11,936,661,111.09/172,486.02
  6. Step 6: Final answer
    x = 69,203.65

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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.