Home / 194,857.96-268,875.06-118,337.14

Finding the Fourth Proportional to 194,857.96, 268,875.06 and 118,337.14

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Solution

The fourth proportional to 194,857.96, 268,875.06 and 118,337.14 is: 163,287.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,857.96 : 268,875.06 = 118,337.14 : x
  2. Step 2: Convert to fraction form
    194,857.96/268,875.06 = 118,337.14/x
  3. Step 3: Cross multiply
    194,857.96x = 268,875.06 × 118,337.14
  4. Step 4: Simplify right side
    194,857.96x = 31,817,905,617.73
  5. Step 5: Solve for x
    x = 31,817,905,617.73/194,857.96
  6. Step 6: Final answer
    x = 163,287.69

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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.