Home / 268,534.14-402,801.08-127,866.30

Finding the Fourth Proportional to 268,534.14, 402,801.08 and 127,866.30

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Solution

The fourth proportional to 268,534.14, 402,801.08 and 127,866.30 is: 191,799.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,534.14 : 402,801.08 = 127,866.30 : x
  2. Step 2: Convert to fraction form
    268,534.14/402,801.08 = 127,866.30/x
  3. Step 3: Cross multiply
    268,534.14x = 402,801.08 × 127,866.30
  4. Step 4: Simplify right side
    268,534.14x = 51,504,683,096.27
  5. Step 5: Solve for x
    x = 51,504,683,096.27/268,534.14
  6. Step 6: Final answer
    x = 191,799.39

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1.5x scale

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.