Home / 179,403.84-245,784.42-172,677.60

Finding the Fourth Proportional to 179,403.84, 245,784.42 and 172,677.60

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Solution

The fourth proportional to 179,403.84, 245,784.42 and 172,677.60 is: 236,569.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,403.84 : 245,784.42 = 172,677.60 : x
  2. Step 2: Convert to fraction form
    179,403.84/245,784.42 = 172,677.60/x
  3. Step 3: Cross multiply
    179,403.84x = 245,784.42 × 172,677.60
  4. Step 4: Simplify right side
    179,403.84x = 42,441,463,762.99
  5. Step 5: Solve for x
    x = 42,441,463,762.99/179,403.84
  6. Step 6: Final answer
    x = 236,569.43

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.