Home / 236,588.24-326,485.80-129,161.36

Finding the Fourth Proportional to 236,588.24, 326,485.80 and 129,161.36

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Solution

The fourth proportional to 236,588.24, 326,485.80 and 129,161.36 is: 178,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,588.24 : 326,485.80 = 129,161.36 : x
  2. Step 2: Convert to fraction form
    236,588.24/326,485.80 = 129,161.36/x
  3. Step 3: Cross multiply
    236,588.24x = 326,485.80 × 129,161.36
  4. Step 4: Simplify right side
    236,588.24x = 42,169,349,948.69
  5. Step 5: Solve for x
    x = 42,169,349,948.69/236,588.24
  6. Step 6: Final answer
    x = 178,239.42

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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.