Home / 545,131.04-817,832.64-190,150.16

Finding the Fourth Proportional to 545,131.04, 817,832.64 and 190,150.16

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Solution

The fourth proportional to 545,131.04, 817,832.64 and 190,150.16 is: 285,272.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,131.04 : 817,832.64 = 190,150.16 : x
  2. Step 2: Convert to fraction form
    545,131.04/817,832.64 = 190,150.16/x
  3. Step 3: Cross multiply
    545,131.04x = 817,832.64 × 190,150.16
  4. Step 4: Simplify right side
    545,131.04x = 155,511,007,349.22
  5. Step 5: Solve for x
    x = 155,511,007,349.22/545,131.04
  6. Step 6: Final answer
    x = 285,272.71

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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.