Home / 186,500.36-279,778.32-66,547.95

Finding the Fourth Proportional to 186,500.36, 279,778.32 and 66,547.95

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Solution

The fourth proportional to 186,500.36, 279,778.32 and 66,547.95 is: 99,831.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,500.36 : 279,778.32 = 66,547.95 : x
  2. Step 2: Convert to fraction form
    186,500.36/279,778.32 = 66,547.95/x
  3. Step 3: Cross multiply
    186,500.36x = 279,778.32 × 66,547.95
  4. Step 4: Simplify right side
    186,500.36x = 18,618,673,650.44
  5. Step 5: Solve for x
    x = 18,618,673,650.44/186,500.36
  6. Step 6: Final answer
    x = 99,831.84

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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.