Home / 190,035.16-285,151.10-137,875.16

Finding the Fourth Proportional to 190,035.16, 285,151.10 and 137,875.16

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Solution

The fourth proportional to 190,035.16, 285,151.10 and 137,875.16 is: 206,884.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,035.16 : 285,151.10 = 137,875.16 : x
  2. Step 2: Convert to fraction form
    190,035.16/285,151.10 = 137,875.16/x
  3. Step 3: Cross multiply
    190,035.16x = 285,151.10 × 137,875.16
  4. Step 4: Simplify right side
    190,035.16x = 39,315,253,536.68
  5. Step 5: Solve for x
    x = 39,315,253,536.68/190,035.16
  6. Step 6: Final answer
    x = 206,884.10

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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.