Home / 186,738.02-280,143.45-60,409.58

Finding the Fourth Proportional to 186,738.02, 280,143.45 and 60,409.58

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Solution

The fourth proportional to 186,738.02, 280,143.45 and 60,409.58 is: 90,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,738.02 : 280,143.45 = 60,409.58 : x
  2. Step 2: Convert to fraction form
    186,738.02/280,143.45 = 60,409.58/x
  3. Step 3: Cross multiply
    186,738.02x = 280,143.45 × 60,409.58
  4. Step 4: Simplify right side
    186,738.02x = 16,923,348,154.25
  5. Step 5: Solve for x
    x = 16,923,348,154.25/186,738.02
  6. Step 6: Final answer
    x = 90,626.15

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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.