Home / 146,690.02-202,431.72-79,622.02

Finding the Fourth Proportional to 146,690.02, 202,431.72 and 79,622.02

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Solution

The fourth proportional to 146,690.02, 202,431.72 and 79,622.02 is: 109,878.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,690.02 : 202,431.72 = 79,622.02 : x
  2. Step 2: Convert to fraction form
    146,690.02/202,431.72 = 79,622.02/x
  3. Step 3: Cross multiply
    146,690.02x = 202,431.72 × 79,622.02
  4. Step 4: Simplify right side
    146,690.02x = 16,118,022,458.47
  5. Step 5: Solve for x
    x = 16,118,022,458.47/146,690.02
  6. Step 6: Final answer
    x = 109,878.11

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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.