Home / 186,867.18-280,134.09-68,510.94

Finding the Fourth Proportional to 186,867.18, 280,134.09 and 68,510.94

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Solution

The fourth proportional to 186,867.18, 280,134.09 and 68,510.94 is: 102,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,867.18 : 280,134.09 = 68,510.94 : x
  2. Step 2: Convert to fraction form
    186,867.18/280,134.09 = 68,510.94/x
  3. Step 3: Cross multiply
    186,867.18x = 280,134.09 × 68,510.94
  4. Step 4: Simplify right side
    186,867.18x = 19,192,249,831.94
  5. Step 5: Solve for x
    x = 19,192,249,831.94/186,867.18
  6. Step 6: Final answer
    x = 102,705.30

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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.