Home / 186,831.26-280,468.83-147,416.66

Finding the Fourth Proportional to 186,831.26, 280,468.83 and 147,416.66

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Solution

The fourth proportional to 186,831.26, 280,468.83 and 147,416.66 is: 221,300.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,831.26 : 280,468.83 = 147,416.66 : x
  2. Step 2: Convert to fraction form
    186,831.26/280,468.83 = 147,416.66/x
  3. Step 3: Cross multiply
    186,831.26x = 280,468.83 × 147,416.66
  4. Step 4: Simplify right side
    186,831.26x = 41,345,778,152.71
  5. Step 5: Solve for x
    x = 41,345,778,152.71/186,831.26
  6. Step 6: Final answer
    x = 221,300.11

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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.