Home / 111,342.60-166,975.02-52,206.12

Finding the Fourth Proportional to 111,342.60, 166,975.02 and 52,206.12

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Solution

The fourth proportional to 111,342.60, 166,975.02 and 52,206.12 is: 78,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,342.60 : 166,975.02 = 52,206.12 : x
  2. Step 2: Convert to fraction form
    111,342.60/166,975.02 = 52,206.12/x
  3. Step 3: Cross multiply
    111,342.60x = 166,975.02 × 52,206.12
  4. Step 4: Simplify right side
    111,342.60x = 8,717,117,931.12
  5. Step 5: Solve for x
    x = 8,717,117,931.12/111,342.60
  6. Step 6: Final answer
    x = 78,290.95

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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.