Home / 190,585.09-285,831.39-64,192.69

Finding the Fourth Proportional to 190,585.09, 285,831.39 and 64,192.69

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Solution

The fourth proportional to 190,585.09, 285,831.39 and 64,192.69 is: 96,273.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,585.09 : 285,831.39 = 64,192.69 : x
  2. Step 2: Convert to fraction form
    190,585.09/285,831.39 = 64,192.69/x
  3. Step 3: Cross multiply
    190,585.09x = 285,831.39 × 64,192.69
  4. Step 4: Simplify right side
    190,585.09x = 18,348,284,381.38
  5. Step 5: Solve for x
    x = 18,348,284,381.38/190,585.09
  6. Step 6: Final answer
    x = 96,273.45

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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.