Home / 167,317.84-230,902.64-90,840.16

Finding the Fourth Proportional to 167,317.84, 230,902.64 and 90,840.16

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Solution

The fourth proportional to 167,317.84, 230,902.64 and 90,840.16 is: 125,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,317.84 : 230,902.64 = 90,840.16 : x
  2. Step 2: Convert to fraction form
    167,317.84/230,902.64 = 90,840.16/x
  3. Step 3: Cross multiply
    167,317.84x = 230,902.64 × 90,840.16
  4. Step 4: Simplify right side
    167,317.84x = 20,975,232,762.02
  5. Step 5: Solve for x
    x = 20,975,232,762.02/167,317.84
  6. Step 6: Final answer
    x = 125,361.60

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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.