Home / 194,878.96-268,904-118,358.16

Finding the Fourth Proportional to 194,878.96, 268,904 and 118,358.16

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Solution

The fourth proportional to 194,878.96, 268,904 and 118,358.16 is: 163,316.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,878.96 : 268,904 = 118,358.16 : x
  2. Step 2: Convert to fraction form
    194,878.96/268,904 = 118,358.16/x
  3. Step 3: Cross multiply
    194,878.96x = 268,904 × 118,358.16
  4. Step 4: Simplify right side
    194,878.96x = 31,826,982,656.64
  5. Step 5: Solve for x
    x = 31,826,982,656.64/194,878.96
  6. Step 6: Final answer
    x = 163,316.67

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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.