Home / 165,055.04-227,775.36-89,603.52

Finding the Fourth Proportional to 165,055.04, 227,775.36 and 89,603.52

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Solution

The fourth proportional to 165,055.04, 227,775.36 and 89,603.52 is: 123,652.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,055.04 : 227,775.36 = 89,603.52 : x
  2. Step 2: Convert to fraction form
    165,055.04/227,775.36 = 89,603.52/x
  3. Step 3: Cross multiply
    165,055.04x = 227,775.36 × 89,603.52
  4. Step 4: Simplify right side
    165,055.04x = 20,409,474,025.27
  5. Step 5: Solve for x
    x = 20,409,474,025.27/165,055.04
  6. Step 6: Final answer
    x = 123,652.53

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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.