Home / 197,296.05-296,154.67-85,031.67

Finding the Fourth Proportional to 197,296.05, 296,154.67 and 85,031.67

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Solution

The fourth proportional to 197,296.05, 296,154.67 and 85,031.67 is: 127,638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,296.05 : 296,154.67 = 85,031.67 : x
  2. Step 2: Convert to fraction form
    197,296.05/296,154.67 = 85,031.67/x
  3. Step 3: Cross multiply
    197,296.05x = 296,154.67 × 85,031.67
  4. Step 4: Simplify right side
    197,296.05x = 25,182,526,168.40
  5. Step 5: Solve for x
    x = 25,182,526,168.40/197,296.05
  6. Step 6: Final answer
    x = 127,638.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.