Home / 130,218.98-196,304.49-121,538.96

Finding the Fourth Proportional to 130,218.98, 196,304.49 and 121,538.96

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Solution

The fourth proportional to 130,218.98, 196,304.49 and 121,538.96 is: 183,219.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,218.98 : 196,304.49 = 121,538.96 : x
  2. Step 2: Convert to fraction form
    130,218.98/196,304.49 = 121,538.96/x
  3. Step 3: Cross multiply
    130,218.98x = 196,304.49 × 121,538.96
  4. Step 4: Simplify right side
    130,218.98x = 23,858,642,576.41
  5. Step 5: Solve for x
    x = 23,858,642,576.41/130,218.98
  6. Step 6: Final answer
    x = 183,219.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.