Home / 160,174.60-221,087.07-105,766.49

Finding the Fourth Proportional to 160,174.60, 221,087.07 and 105,766.49

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Solution

The fourth proportional to 160,174.60, 221,087.07 and 105,766.49 is: 145,988.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,174.60 : 221,087.07 = 105,766.49 : x
  2. Step 2: Convert to fraction form
    160,174.60/221,087.07 = 105,766.49/x
  3. Step 3: Cross multiply
    160,174.60x = 221,087.07 × 105,766.49
  4. Step 4: Simplify right side
    160,174.60x = 23,383,603,931.00
  5. Step 5: Solve for x
    x = 23,383,603,931.00/160,174.60
  6. Step 6: Final answer
    x = 145,988.22

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1.5x scale

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.