Home / 115,213.41-158,993.82-67,457.16

Finding the Fourth Proportional to 115,213.41, 158,993.82 and 67,457.16

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Solution

The fourth proportional to 115,213.41, 158,993.82 and 67,457.16 is: 93,090.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,213.41 : 158,993.82 = 67,457.16 : x
  2. Step 2: Convert to fraction form
    115,213.41/158,993.82 = 67,457.16/x
  3. Step 3: Cross multiply
    115,213.41x = 158,993.82 × 67,457.16
  4. Step 4: Simplify right side
    115,213.41x = 10,725,271,554.75
  5. Step 5: Solve for x
    x = 10,725,271,554.75/115,213.41
  6. Step 6: Final answer
    x = 93,090.48

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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.