Home / 229,784.20-344,687.10-72,017.80

Finding the Fourth Proportional to 229,784.20, 344,687.10 and 72,017.80

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Solution

The fourth proportional to 229,784.20, 344,687.10 and 72,017.80 is: 108,030.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,784.20 : 344,687.10 = 72,017.80 : x
  2. Step 2: Convert to fraction form
    229,784.20/344,687.10 = 72,017.80/x
  3. Step 3: Cross multiply
    229,784.20x = 344,687.10 × 72,017.80
  4. Step 4: Simplify right side
    229,784.20x = 24,823,606,630.38
  5. Step 5: Solve for x
    x = 24,823,606,630.38/229,784.20
  6. Step 6: Final answer
    x = 108,030.08

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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.