Home / 236,485.72-326,347.50-129,057.58

Finding the Fourth Proportional to 236,485.72, 326,347.50 and 129,057.58

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Solution

The fourth proportional to 236,485.72, 326,347.50 and 129,057.58 is: 178,097.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,485.72 : 326,347.50 = 129,057.58 : x
  2. Step 2: Convert to fraction form
    236,485.72/326,347.50 = 129,057.58/x
  3. Step 3: Cross multiply
    236,485.72x = 326,347.50 × 129,057.58
  4. Step 4: Simplify right side
    236,485.72x = 42,117,618,589.05
  5. Step 5: Solve for x
    x = 42,117,618,589.05/236,485.72
  6. Step 6: Final answer
    x = 178,097.94

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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.