Home / 268,127.46-402,243.03-101,902.50

Finding the Fourth Proportional to 268,127.46, 402,243.03 and 101,902.50

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Solution

The fourth proportional to 268,127.46, 402,243.03 and 101,902.50 is: 152,873.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,127.46 : 402,243.03 = 101,902.50 : x
  2. Step 2: Convert to fraction form
    268,127.46/402,243.03 = 101,902.50/x
  3. Step 3: Cross multiply
    268,127.46x = 402,243.03 × 101,902.50
  4. Step 4: Simplify right side
    268,127.46x = 40,989,570,364.58
  5. Step 5: Solve for x
    x = 40,989,570,364.58/268,127.46
  6. Step 6: Final answer
    x = 152,873.45

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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.