Home / 106,702.06-160,219.55-101,969.64

Finding the Fourth Proportional to 106,702.06, 160,219.55 and 101,969.64

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Solution

The fourth proportional to 106,702.06, 160,219.55 and 101,969.64 is: 153,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,702.06 : 160,219.55 = 101,969.64 : x
  2. Step 2: Convert to fraction form
    106,702.06/160,219.55 = 101,969.64/x
  3. Step 3: Cross multiply
    106,702.06x = 160,219.55 × 101,969.64
  4. Step 4: Simplify right side
    106,702.06x = 16,337,529,834.46
  5. Step 5: Solve for x
    x = 16,337,529,834.46/106,702.06
  6. Step 6: Final answer
    x = 153,113.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.