Home / 209,831.83-314,782.60-83,473.29

Finding the Fourth Proportional to 209,831.83, 314,782.60 and 83,473.29

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Solution

The fourth proportional to 209,831.83, 314,782.60 and 83,473.29 is: 125,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,831.83 : 314,782.60 = 83,473.29 : x
  2. Step 2: Convert to fraction form
    209,831.83/314,782.60 = 83,473.29/x
  3. Step 3: Cross multiply
    209,831.83x = 314,782.60 × 83,473.29
  4. Step 4: Simplify right side
    209,831.83x = 26,275,939,835.03
  5. Step 5: Solve for x
    x = 26,275,939,835.03/209,831.83
  6. Step 6: Final answer
    x = 125,223.80

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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.