Home / 161,611.47-223,027.43-89,998.16

Finding the Fourth Proportional to 161,611.47, 223,027.43 and 89,998.16

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Solution

The fourth proportional to 161,611.47, 223,027.43 and 89,998.16 is: 124,199.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,611.47 : 223,027.43 = 89,998.16 : x
  2. Step 2: Convert to fraction form
    161,611.47/223,027.43 = 89,998.16/x
  3. Step 3: Cross multiply
    161,611.47x = 223,027.43 × 89,998.16
  4. Step 4: Simplify right side
    161,611.47x = 20,072,056,764.40
  5. Step 5: Solve for x
    x = 20,072,056,764.40/161,611.47
  6. Step 6: Final answer
    x = 124,199.46

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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.