Home / 236,514.99-326,391.57-129,087.39

Finding the Fourth Proportional to 236,514.99, 326,391.57 and 129,087.39

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Solution

The fourth proportional to 236,514.99, 326,391.57 and 129,087.39 is: 178,141.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,514.99 : 326,391.57 = 129,087.39 : x
  2. Step 2: Convert to fraction form
    236,514.99/326,391.57 = 129,087.39/x
  3. Step 3: Cross multiply
    236,514.99x = 326,391.57 × 129,087.39
  4. Step 4: Simplify right side
    236,514.99x = 42,133,035,889.30
  5. Step 5: Solve for x
    x = 42,133,035,889.30/236,514.99
  6. Step 6: Final answer
    x = 178,141.08

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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.