Home / 142,702.67-197,062.06-106,830.41

Finding the Fourth Proportional to 142,702.67, 197,062.06 and 106,830.41

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Solution

The fourth proportional to 142,702.67, 197,062.06 and 106,830.41 is: 147,525.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,702.67 : 197,062.06 = 106,830.41 : x
  2. Step 2: Convert to fraction form
    142,702.67/197,062.06 = 106,830.41/x
  3. Step 3: Cross multiply
    142,702.67x = 197,062.06 × 106,830.41
  4. Step 4: Simplify right side
    142,702.67x = 21,052,220,665.24
  5. Step 5: Solve for x
    x = 21,052,220,665.24/142,702.67
  6. Step 6: Final answer
    x = 147,525.06

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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.