Home / 190,032.49-285,131.41-119,117.63

Finding the Fourth Proportional to 190,032.49, 285,131.41 and 119,117.63

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Solution

The fourth proportional to 190,032.49, 285,131.41 and 119,117.63 is: 178,728.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,032.49 : 285,131.41 = 119,117.63 : x
  2. Step 2: Convert to fraction form
    190,032.49/285,131.41 = 119,117.63/x
  3. Step 3: Cross multiply
    190,032.49x = 285,131.41 × 119,117.63
  4. Step 4: Simplify right side
    190,032.49x = 33,964,178,212.79
  5. Step 5: Solve for x
    x = 33,964,178,212.79/190,032.49
  6. Step 6: Final answer
    x = 178,728.27

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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.