Home / 268,127.63-402,191.07-68,448.02

Finding the Fourth Proportional to 268,127.63, 402,191.07 and 68,448.02

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Solution

The fourth proportional to 268,127.63, 402,191.07 and 68,448.02 is: 102,671.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,127.63 : 402,191.07 = 68,448.02 : x
  2. Step 2: Convert to fraction form
    268,127.63/402,191.07 = 68,448.02/x
  3. Step 3: Cross multiply
    268,127.63x = 402,191.07 × 68,448.02
  4. Step 4: Simplify right side
    268,127.63x = 27,529,182,403.18
  5. Step 5: Solve for x
    x = 27,529,182,403.18/268,127.63
  6. Step 6: Final answer
    x = 102,671.93

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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.