Home / 268,272.90-370,110.51-172,835.25

Finding the Fourth Proportional to 268,272.90, 370,110.51 and 172,835.25

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Solution

The fourth proportional to 268,272.90, 370,110.51 and 172,835.25 is: 238,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272.90 : 370,110.51 = 172,835.25 : x
  2. Step 2: Convert to fraction form
    268,272.90/370,110.51 = 172,835.25/x
  3. Step 3: Cross multiply
    268,272.90x = 370,110.51 × 172,835.25
  4. Step 4: Simplify right side
    268,272.90x = 63,968,142,523.48
  5. Step 5: Solve for x
    x = 63,968,142,523.48/268,272.90
  6. Step 6: Final answer
    x = 238,444.30

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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.