Home / 166,989.41-230,480.16-153,539.36

Finding the Fourth Proportional to 166,989.41, 230,480.16 and 153,539.36

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Solution

The fourth proportional to 166,989.41, 230,480.16 and 153,539.36 is: 211,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,989.41 : 230,480.16 = 153,539.36 : x
  2. Step 2: Convert to fraction form
    166,989.41/230,480.16 = 153,539.36/x
  3. Step 3: Cross multiply
    166,989.41x = 230,480.16 × 153,539.36
  4. Step 4: Simplify right side
    166,989.41x = 35,387,776,259.10
  5. Step 5: Solve for x
    x = 35,387,776,259.10/166,989.41
  6. Step 6: Final answer
    x = 211,916.29

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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.