Home / 291,976.56-437,849.10-99,803.16

Finding the Fourth Proportional to 291,976.56, 437,849.10 and 99,803.16

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Solution

The fourth proportional to 291,976.56, 437,849.10 and 99,803.16 is: 149,665.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,976.56 : 437,849.10 = 99,803.16 : x
  2. Step 2: Convert to fraction form
    291,976.56/437,849.10 = 99,803.16/x
  3. Step 3: Cross multiply
    291,976.56x = 437,849.10 × 99,803.16
  4. Step 4: Simplify right side
    291,976.56x = 43,698,723,783.16
  5. Step 5: Solve for x
    x = 43,698,723,783.16/291,976.56
  6. Step 6: Final answer
    x = 149,665.18

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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.