Home / 131,718.90-197,586.84-46,319.28

Finding the Fourth Proportional to 131,718.90, 197,586.84 and 46,319.28

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Solution

The fourth proportional to 131,718.90, 197,586.84 and 46,319.28 is: 69,481.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,718.90 : 197,586.84 = 46,319.28 : x
  2. Step 2: Convert to fraction form
    131,718.90/197,586.84 = 46,319.28/x
  3. Step 3: Cross multiply
    131,718.90x = 197,586.84 × 46,319.28
  4. Step 4: Simplify right side
    131,718.90x = 9,152,080,166.28
  5. Step 5: Solve for x
    x = 9,152,080,166.28/131,718.90
  6. Step 6: Final answer
    x = 69,481.91

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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.