Home / 190,032.66-285,131.69-119,117.82

Finding the Fourth Proportional to 190,032.66, 285,131.69 and 119,117.82

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Solution

The fourth proportional to 190,032.66, 285,131.69 and 119,117.82 is: 178,728.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,032.66 : 285,131.69 = 119,117.82 : x
  2. Step 2: Convert to fraction form
    190,032.66/285,131.69 = 119,117.82/x
  3. Step 3: Cross multiply
    190,032.66x = 285,131.69 × 119,117.82
  4. Step 4: Simplify right side
    190,032.66x = 33,964,264,730.13
  5. Step 5: Solve for x
    x = 33,964,264,730.13/190,032.66
  6. Step 6: Final answer
    x = 178,728.57

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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.