Home / 105,845.07-159,401.21-96,397.23

Finding the Fourth Proportional to 105,845.07, 159,401.21 and 96,397.23

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Solution

The fourth proportional to 105,845.07, 159,401.21 and 96,397.23 is: 145,172.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,845.07 : 159,401.21 = 96,397.23 : x
  2. Step 2: Convert to fraction form
    105,845.07/159,401.21 = 96,397.23/x
  3. Step 3: Cross multiply
    105,845.07x = 159,401.21 × 96,397.23
  4. Step 4: Simplify right side
    105,845.07x = 15,365,835,343.64
  5. Step 5: Solve for x
    x = 15,365,835,343.64/105,845.07
  6. Step 6: Final answer
    x = 145,172.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.