Home / 164,090.88-226,445.36-88,639.38

Finding the Fourth Proportional to 164,090.88, 226,445.36 and 88,639.38

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Solution

The fourth proportional to 164,090.88, 226,445.36 and 88,639.38 is: 122,322.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,090.88 : 226,445.36 = 88,639.38 : x
  2. Step 2: Convert to fraction form
    164,090.88/226,445.36 = 88,639.38/x
  3. Step 3: Cross multiply
    164,090.88x = 226,445.36 × 88,639.38
  4. Step 4: Simplify right side
    164,090.88x = 20,071,975,871.08
  5. Step 5: Solve for x
    x = 20,071,975,871.08/164,090.88
  6. Step 6: Final answer
    x = 122,322.31

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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.