Home / 166,411.95-229,630.59-98,431.35

Finding the Fourth Proportional to 166,411.95, 229,630.59 and 98,431.35

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Solution

The fourth proportional to 166,411.95, 229,630.59 and 98,431.35 is: 135,824.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,411.95 : 229,630.59 = 98,431.35 : x
  2. Step 2: Convert to fraction form
    166,411.95/229,630.59 = 98,431.35/x
  3. Step 3: Cross multiply
    166,411.95x = 229,630.59 × 98,431.35
  4. Step 4: Simplify right side
    166,411.95x = 22,602,848,975.00
  5. Step 5: Solve for x
    x = 22,602,848,975.00/166,411.95
  6. Step 6: Final answer
    x = 135,824.67

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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.