Home / 229,962.79-317,359.10-127,994.77

Finding the Fourth Proportional to 229,962.79, 317,359.10 and 127,994.77

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Solution

The fourth proportional to 229,962.79, 317,359.10 and 127,994.77 is: 176,638.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,962.79 : 317,359.10 = 127,994.77 : x
  2. Step 2: Convert to fraction form
    229,962.79/317,359.10 = 127,994.77/x
  3. Step 3: Cross multiply
    229,962.79x = 317,359.10 × 127,994.77
  4. Step 4: Simplify right side
    229,962.79x = 40,620,303,578.54
  5. Step 5: Solve for x
    x = 40,620,303,578.54/229,962.79
  6. Step 6: Final answer
    x = 176,638.59

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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.