Home / 186,879.36-280,122.18-93,188.28

Finding the Fourth Proportional to 186,879.36, 280,122.18 and 93,188.28

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Solution

The fourth proportional to 186,879.36, 280,122.18 and 93,188.28 is: 139,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,879.36 : 280,122.18 = 93,188.28 : x
  2. Step 2: Convert to fraction form
    186,879.36/280,122.18 = 93,188.28/x
  3. Step 3: Cross multiply
    186,879.36x = 280,122.18 × 93,188.28
  4. Step 4: Simplify right side
    186,879.36x = 26,104,104,144.05
  5. Step 5: Solve for x
    x = 26,104,104,144.05/186,879.36
  6. Step 6: Final answer
    x = 139,684.25

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1.5x scale

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.