Home / 105,216.08-145,197.23-57,469.41

Finding the Fourth Proportional to 105,216.08, 145,197.23 and 57,469.41

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Solution

The fourth proportional to 105,216.08, 145,197.23 and 57,469.41 is: 79,307.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,216.08 : 145,197.23 = 57,469.41 : x
  2. Step 2: Convert to fraction form
    105,216.08/145,197.23 = 57,469.41/x
  3. Step 3: Cross multiply
    105,216.08x = 145,197.23 × 57,469.41
  4. Step 4: Simplify right side
    105,216.08x = 8,344,398,854.39
  5. Step 5: Solve for x
    x = 8,344,398,854.39/105,216.08
  6. Step 6: Final answer
    x = 79,307.26

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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.