Home / 165,541.92-228,448.80-90,090.24

Finding the Fourth Proportional to 165,541.92, 228,448.80 and 90,090.24

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Solution

The fourth proportional to 165,541.92, 228,448.80 and 90,090.24 is: 124,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,541.92 : 228,448.80 = 90,090.24 : x
  2. Step 2: Convert to fraction form
    165,541.92/228,448.80 = 90,090.24/x
  3. Step 3: Cross multiply
    165,541.92x = 228,448.80 × 90,090.24
  4. Step 4: Simplify right side
    165,541.92x = 20,581,007,219.71
  5. Step 5: Solve for x
    x = 20,581,007,219.71/165,541.92
  6. Step 6: Final answer
    x = 124,325.05

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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.