Home / 164,911.36-227,578.86-89,460.40

Finding the Fourth Proportional to 164,911.36, 227,578.86 and 89,460.40

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Solution

The fourth proportional to 164,911.36, 227,578.86 and 89,460.40 is: 123,455.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,911.36 : 227,578.86 = 89,460.40 : x
  2. Step 2: Convert to fraction form
    164,911.36/227,578.86 = 89,460.40/x
  3. Step 3: Cross multiply
    164,911.36x = 227,578.86 × 89,460.40
  4. Step 4: Simplify right side
    164,911.36x = 20,359,295,847.14
  5. Step 5: Solve for x
    x = 20,359,295,847.14/164,911.36
  6. Step 6: Final answer
    x = 123,455.99

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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.