Home / 236,741.34-326,697.72-129,311.76

Finding the Fourth Proportional to 236,741.34, 326,697.72 and 129,311.76

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Solution

The fourth proportional to 236,741.34, 326,697.72 and 129,311.76 is: 178,447.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,741.34 : 326,697.72 = 129,311.76 : x
  2. Step 2: Convert to fraction form
    236,741.34/326,697.72 = 129,311.76/x
  3. Step 3: Cross multiply
    236,741.34x = 326,697.72 × 129,311.76
  4. Step 4: Simplify right side
    236,741.34x = 42,245,857,161.19
  5. Step 5: Solve for x
    x = 42,245,857,161.19/236,741.34
  6. Step 6: Final answer
    x = 178,447.32

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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.