Home / 189,153.80-283,753.40-76,810.04

Finding the Fourth Proportional to 189,153.80, 283,753.40 and 76,810.04

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Solution

The fourth proportional to 189,153.80, 283,753.40 and 76,810.04 is: 115,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,153.80 : 283,753.40 = 76,810.04 : x
  2. Step 2: Convert to fraction form
    189,153.80/283,753.40 = 76,810.04/x
  3. Step 3: Cross multiply
    189,153.80x = 283,753.40 × 76,810.04
  4. Step 4: Simplify right side
    189,153.80x = 21,795,110,004.14
  5. Step 5: Solve for x
    x = 21,795,110,004.14/189,153.80
  6. Step 6: Final answer
    x = 115,224.28

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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.