Home / 395,177.58-592,827.88-128,876.00

Finding the Fourth Proportional to 395,177.58, 592,827.88 and 128,876.00

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Solution

The fourth proportional to 395,177.58, 592,827.88 and 128,876.00 is: 193,334.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,177.58 : 592,827.88 = 128,876.00 : x
  2. Step 2: Convert to fraction form
    395,177.58/592,827.88 = 128,876.00/x
  3. Step 3: Cross multiply
    395,177.58x = 592,827.88 × 128,876.00
  4. Step 4: Simplify right side
    395,177.58x = 76,401,287,022.76
  5. Step 5: Solve for x
    x = 76,401,287,022.76/395,177.58
  6. Step 6: Final answer
    x = 193,334.06

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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.