Home / 102,163.02-153,242.98-45,963.44

Finding the Fourth Proportional to 102,163.02, 153,242.98 and 45,963.44

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Solution

The fourth proportional to 102,163.02, 153,242.98 and 45,963.44 is: 68,944.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,163.02 : 153,242.98 = 45,963.44 : x
  2. Step 2: Convert to fraction form
    102,163.02/153,242.98 = 45,963.44/x
  3. Step 3: Cross multiply
    102,163.02x = 153,242.98 × 45,963.44
  4. Step 4: Simplify right side
    102,163.02x = 7,043,574,516.65
  5. Step 5: Solve for x
    x = 7,043,574,516.65/102,163.02
  6. Step 6: Final answer
    x = 68,944.47

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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.