Home / 146,009.75-219,038.32-57,215.12

Finding the Fourth Proportional to 146,009.75, 219,038.32 and 57,215.12

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Solution

The fourth proportional to 146,009.75, 219,038.32 and 57,215.12 is: 85,831.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,009.75 : 219,038.32 = 57,215.12 : x
  2. Step 2: Convert to fraction form
    146,009.75/219,038.32 = 57,215.12/x
  3. Step 3: Cross multiply
    146,009.75x = 219,038.32 × 57,215.12
  4. Step 4: Simplify right side
    146,009.75x = 12,532,303,763.40
  5. Step 5: Solve for x
    x = 12,532,303,763.40/146,009.75
  6. Step 6: Final answer
    x = 85,831.97

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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.