Home / 211,147.56-316,570.87-98,766.52

Finding the Fourth Proportional to 211,147.56, 316,570.87 and 98,766.52

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Solution

The fourth proportional to 211,147.56, 316,570.87 and 98,766.52 is: 148,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,147.56 : 316,570.87 = 98,766.52 : x
  2. Step 2: Convert to fraction form
    211,147.56/316,570.87 = 98,766.52/x
  3. Step 3: Cross multiply
    211,147.56x = 316,570.87 × 98,766.52
  4. Step 4: Simplify right side
    211,147.56x = 31,266,603,163.27
  5. Step 5: Solve for x
    x = 31,266,603,163.27/211,147.56
  6. Step 6: Final answer
    x = 148,079.40

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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.