Home / 106,990.03-147,650.91-59,243.41

Finding the Fourth Proportional to 106,990.03, 147,650.91 and 59,243.41

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Solution

The fourth proportional to 106,990.03, 147,650.91 and 59,243.41 is: 81,758.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,990.03 : 147,650.91 = 59,243.41 : x
  2. Step 2: Convert to fraction form
    106,990.03/147,650.91 = 59,243.41/x
  3. Step 3: Cross multiply
    106,990.03x = 147,650.91 × 59,243.41
  4. Step 4: Simplify right side
    106,990.03x = 8,747,343,398.00
  5. Step 5: Solve for x
    x = 8,747,343,398.00/106,990.03
  6. Step 6: Final answer
    x = 81,758.49

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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.