Home / 175,233.20-262,849.80-128,001.20

Finding the Fourth Proportional to 175,233.20, 262,849.80 and 128,001.20

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Solution

The fourth proportional to 175,233.20, 262,849.80 and 128,001.20 is: 192,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,233.20 : 262,849.80 = 128,001.20 : x
  2. Step 2: Convert to fraction form
    175,233.20/262,849.80 = 128,001.20/x
  3. Step 3: Cross multiply
    175,233.20x = 262,849.80 × 128,001.20
  4. Step 4: Simplify right side
    175,233.20x = 33,645,089,819.76
  5. Step 5: Solve for x
    x = 33,645,089,819.76/175,233.20
  6. Step 6: Final answer
    x = 192,001.80

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1.5x scale

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.