Home / 235,089.20-324,423.72-127,661

Finding the Fourth Proportional to 235,089.20, 324,423.72 and 127,661

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Solution

The fourth proportional to 235,089.20, 324,423.72 and 127,661 is: 176,172.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,089.20 : 324,423.72 = 127,661 : x
  2. Step 2: Convert to fraction form
    235,089.20/324,423.72 = 127,661/x
  3. Step 3: Cross multiply
    235,089.20x = 324,423.72 × 127,661
  4. Step 4: Simplify right side
    235,089.20x = 41,416,256,518.92
  5. Step 5: Solve for x
    x = 41,416,256,518.92/235,089.20
  6. Step 6: Final answer
    x = 176,172.52

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1.5x scale

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.