Home / 186,647.18-279,970.98-46,405.82

Finding the Fourth Proportional to 186,647.18, 279,970.98 and 46,405.82

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Solution

The fourth proportional to 186,647.18, 279,970.98 and 46,405.82 is: 69,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,647.18 : 279,970.98 = 46,405.82 : x
  2. Step 2: Convert to fraction form
    186,647.18/279,970.98 = 46,405.82/x
  3. Step 3: Cross multiply
    186,647.18x = 279,970.98 × 46,405.82
  4. Step 4: Simplify right side
    186,647.18x = 12,992,282,903.10
  5. Step 5: Solve for x
    x = 12,992,282,903.10/186,647.18
  6. Step 6: Final answer
    x = 69,608.78

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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.