Home / 251,583.15-377,374.77-172,457.49

Finding the Fourth Proportional to 251,583.15, 377,374.77 and 172,457.49

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Solution

The fourth proportional to 251,583.15, 377,374.77 and 172,457.49 is: 258,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,583.15 : 377,374.77 = 172,457.49 : x
  2. Step 2: Convert to fraction form
    251,583.15/377,374.77 = 172,457.49/x
  3. Step 3: Cross multiply
    251,583.15x = 377,374.77 × 172,457.49
  4. Step 4: Simplify right side
    251,583.15x = 65,081,105,623.53
  5. Step 5: Solve for x
    x = 65,081,105,623.53/251,583.15
  6. Step 6: Final answer
    x = 258,686.27

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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.