Home / 106,828.98-160,280.46-40,288.20

Finding the Fourth Proportional to 106,828.98, 160,280.46 and 40,288.20

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Solution

The fourth proportional to 106,828.98, 160,280.46 and 40,288.20 is: 60,446.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,828.98 : 160,280.46 = 40,288.20 : x
  2. Step 2: Convert to fraction form
    106,828.98/160,280.46 = 40,288.20/x
  3. Step 3: Cross multiply
    106,828.98x = 160,280.46 × 40,288.20
  4. Step 4: Simplify right side
    106,828.98x = 6,457,411,228.57
  5. Step 5: Solve for x
    x = 6,457,411,228.57/106,828.98
  6. Step 6: Final answer
    x = 60,446.25

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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.