Home / 197,531.72-296,328.36-64,381.09

Finding the Fourth Proportional to 197,531.72, 296,328.36 and 64,381.09

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Solution

The fourth proportional to 197,531.72, 296,328.36 and 64,381.09 is: 96,581.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,531.72 : 296,328.36 = 64,381.09 : x
  2. Step 2: Convert to fraction form
    197,531.72/296,328.36 = 64,381.09/x
  3. Step 3: Cross multiply
    197,531.72x = 296,328.36 × 64,381.09
  4. Step 4: Simplify right side
    197,531.72x = 19,077,942,814.71
  5. Step 5: Solve for x
    x = 19,077,942,814.71/197,531.72
  6. Step 6: Final answer
    x = 96,581.67

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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.