Home / 105,625.80-158,496.30-43,302.60

Finding the Fourth Proportional to 105,625.80, 158,496.30 and 43,302.60

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Solution

The fourth proportional to 105,625.80, 158,496.30 and 43,302.60 is: 64,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,625.80 : 158,496.30 = 43,302.60 : x
  2. Step 2: Convert to fraction form
    105,625.80/158,496.30 = 43,302.60/x
  3. Step 3: Cross multiply
    105,625.80x = 158,496.30 × 43,302.60
  4. Step 4: Simplify right side
    105,625.80x = 6,863,301,880.38
  5. Step 5: Solve for x
    x = 6,863,301,880.38/105,625.80
  6. Step 6: Final answer
    x = 64,977.51

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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.