Home / 268,260.04-402,389.25-68,580.46

Finding the Fourth Proportional to 268,260.04, 402,389.25 and 68,580.46

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Solution

The fourth proportional to 268,260.04, 402,389.25 and 68,580.46 is: 102,870.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,260.04 : 402,389.25 = 68,580.46 : x
  2. Step 2: Convert to fraction form
    268,260.04/402,389.25 = 68,580.46/x
  3. Step 3: Cross multiply
    268,260.04x = 402,389.25 × 68,580.46
  4. Step 4: Simplify right side
    268,260.04x = 27,596,039,864.06
  5. Step 5: Solve for x
    x = 27,596,039,864.06/268,260.04
  6. Step 6: Final answer
    x = 102,870.48

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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.