Home / 197,368.40-272,368.19-106,724.15

Finding the Fourth Proportional to 197,368.40, 272,368.19 and 106,724.15

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Solution

The fourth proportional to 197,368.40, 272,368.19 and 106,724.15 is: 147,279.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,368.40 : 272,368.19 = 106,724.15 : x
  2. Step 2: Convert to fraction form
    197,368.40/272,368.19 = 106,724.15/x
  3. Step 3: Cross multiply
    197,368.40x = 272,368.19 × 106,724.15
  4. Step 4: Simplify right side
    197,368.40x = 29,068,261,669.33
  5. Step 5: Solve for x
    x = 29,068,261,669.33/197,368.40
  6. Step 6: Final answer
    x = 147,279.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.