Home / 131,817.60-197,726.40-96,825.60

Finding the Fourth Proportional to 131,817.60, 197,726.40 and 96,825.60

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Solution

The fourth proportional to 131,817.60, 197,726.40 and 96,825.60 is: 145,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,817.60 : 197,726.40 = 96,825.60 : x
  2. Step 2: Convert to fraction form
    131,817.60/197,726.40 = 96,825.60/x
  3. Step 3: Cross multiply
    131,817.60x = 197,726.40 × 96,825.60
  4. Step 4: Simplify right side
    131,817.60x = 19,144,977,315.84
  5. Step 5: Solve for x
    x = 19,144,977,315.84/131,817.60
  6. Step 6: Final answer
    x = 145,238.40

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1.5x scale

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.