Home / 106,026.09-146,257.29-67,192.80

Finding the Fourth Proportional to 106,026.09, 146,257.29 and 67,192.80

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Solution

The fourth proportional to 106,026.09, 146,257.29 and 67,192.80 is: 92,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,026.09 : 146,257.29 = 67,192.80 : x
  2. Step 2: Convert to fraction form
    106,026.09/146,257.29 = 67,192.80/x
  3. Step 3: Cross multiply
    106,026.09x = 146,257.29 × 67,192.80
  4. Step 4: Simplify right side
    106,026.09x = 9,827,436,835.51
  5. Step 5: Solve for x
    x = 9,827,436,835.51/106,026.09
  6. Step 6: Final answer
    x = 92,688.85

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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.