Home / 165,055.10-227,777.21-89,603.60

Finding the Fourth Proportional to 165,055.10, 227,777.21 and 89,603.60

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Solution

The fourth proportional to 165,055.10, 227,777.21 and 89,603.60 is: 123,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,055.10 : 227,777.21 = 89,603.60 : x
  2. Step 2: Convert to fraction form
    165,055.10/227,777.21 = 89,603.60/x
  3. Step 3: Cross multiply
    165,055.10x = 227,777.21 × 89,603.60
  4. Step 4: Simplify right side
    165,055.10x = 20,409,656,427.05
  5. Step 5: Solve for x
    x = 20,409,656,427.05/165,055.10
  6. Step 6: Final answer
    x = 123,653.60

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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.