Home / 166,370.64-229,702.35-98,409.45

Finding the Fourth Proportional to 166,370.64, 229,702.35 and 98,409.45

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Solution

The fourth proportional to 166,370.64, 229,702.35 and 98,409.45 is: 135,870.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,370.64 : 229,702.35 = 98,409.45 : x
  2. Step 2: Convert to fraction form
    166,370.64/229,702.35 = 98,409.45/x
  3. Step 3: Cross multiply
    166,370.64x = 229,702.35 × 98,409.45
  4. Step 4: Simplify right side
    166,370.64x = 22,604,881,435.16
  5. Step 5: Solve for x
    x = 22,604,881,435.16/166,370.64
  6. Step 6: Final answer
    x = 135,870.62

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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.