Home / 147,234.02-203,185.41-83,573.78

Finding the Fourth Proportional to 147,234.02, 203,185.41 and 83,573.78

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Solution

The fourth proportional to 147,234.02, 203,185.41 and 83,573.78 is: 115,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,234.02 : 203,185.41 = 83,573.78 : x
  2. Step 2: Convert to fraction form
    147,234.02/203,185.41 = 83,573.78/x
  3. Step 3: Cross multiply
    147,234.02x = 203,185.41 × 83,573.78
  4. Step 4: Simplify right side
    147,234.02x = 16,980,972,754.55
  5. Step 5: Solve for x
    x = 16,980,972,754.55/147,234.02
  6. Step 6: Final answer
    x = 115,333.21

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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.