Home / 146,815.67-220,256.31-46,981.86

Finding the Fourth Proportional to 146,815.67, 220,256.31 and 46,981.86

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Solution

The fourth proportional to 146,815.67, 220,256.31 and 46,981.86 is: 70,483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,815.67 : 220,256.31 = 46,981.86 : x
  2. Step 2: Convert to fraction form
    146,815.67/220,256.31 = 46,981.86/x
  3. Step 3: Cross multiply
    146,815.67x = 220,256.31 × 46,981.86
  4. Step 4: Simplify right side
    146,815.67x = 10,348,050,019.26
  5. Step 5: Solve for x
    x = 10,348,050,019.26/146,815.67
  6. Step 6: Final answer
    x = 70,483.28

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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.