Home / 111,260.85-166,841.37-66,303.42

Finding the Fourth Proportional to 111,260.85, 166,841.37 and 66,303.42

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Solution

The fourth proportional to 111,260.85, 166,841.37 and 66,303.42 is: 99,425.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,260.85 : 166,841.37 = 66,303.42 : x
  2. Step 2: Convert to fraction form
    111,260.85/166,841.37 = 66,303.42/x
  3. Step 3: Cross multiply
    111,260.85x = 166,841.37 × 66,303.42
  4. Step 4: Simplify right side
    111,260.85x = 11,062,152,802.83
  5. Step 5: Solve for x
    x = 11,062,152,802.83/111,260.85
  6. Step 6: Final answer
    x = 99,425.39

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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.