Home / 197,374.17-272,359.87-116,787.62

Finding the Fourth Proportional to 197,374.17, 272,359.87 and 116,787.62

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Solution

The fourth proportional to 197,374.17, 272,359.87 and 116,787.62 is: 161,157.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,374.17 : 272,359.87 = 116,787.62 : x
  2. Step 2: Convert to fraction form
    197,374.17/272,359.87 = 116,787.62/x
  3. Step 3: Cross multiply
    197,374.17x = 272,359.87 × 116,787.62
  4. Step 4: Simplify right side
    197,374.17x = 31,808,261,389.74
  5. Step 5: Solve for x
    x = 31,808,261,389.74/197,374.17
  6. Step 6: Final answer
    x = 161,157.17

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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.