Home / 236,647.68-326,575.38-129,218.46

Finding the Fourth Proportional to 236,647.68, 326,575.38 and 129,218.46

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Solution

The fourth proportional to 236,647.68, 326,575.38 and 129,218.46 is: 178,322.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,647.68 : 326,575.38 = 129,218.46 : x
  2. Step 2: Convert to fraction form
    236,647.68/326,575.38 = 129,218.46/x
  3. Step 3: Cross multiply
    236,647.68x = 326,575.38 × 129,218.46
  4. Step 4: Simplify right side
    236,647.68x = 42,199,567,677.51
  5. Step 5: Solve for x
    x = 42,199,567,677.51/236,647.68
  6. Step 6: Final answer
    x = 178,322.34

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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.