Home / 209,831.25-289,567.26-114,337.92

Finding the Fourth Proportional to 209,831.25, 289,567.26 and 114,337.92

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Solution

The fourth proportional to 209,831.25, 289,567.26 and 114,337.92 is: 157,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,831.25 : 289,567.26 = 114,337.92 : x
  2. Step 2: Convert to fraction form
    209,831.25/289,567.26 = 114,337.92/x
  3. Step 3: Cross multiply
    209,831.25x = 289,567.26 × 114,337.92
  4. Step 4: Simplify right side
    209,831.25x = 33,108,518,208.50
  5. Step 5: Solve for x
    x = 33,108,518,208.50/209,831.25
  6. Step 6: Final answer
    x = 157,786.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.