Home / 165,558.51-228,587.91-129,300.81

Finding the Fourth Proportional to 165,558.51, 228,587.91 and 129,300.81

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Solution

The fourth proportional to 165,558.51, 228,587.91 and 129,300.81 is: 178,526.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,558.51 : 228,587.91 = 129,300.81 : x
  2. Step 2: Convert to fraction form
    165,558.51/228,587.91 = 129,300.81/x
  3. Step 3: Cross multiply
    165,558.51x = 228,587.91 × 129,300.81
  4. Step 4: Simplify right side
    165,558.51x = 29,556,601,919.21
  5. Step 5: Solve for x
    x = 29,556,601,919.21/165,558.51
  6. Step 6: Final answer
    x = 178,526.62

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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.