Home / 134,341.32-185,391-73,910.67

Finding the Fourth Proportional to 134,341.32, 185,391 and 73,910.67

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Solution

The fourth proportional to 134,341.32, 185,391 and 73,910.67 is: 101,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,341.32 : 185,391 = 73,910.67 : x
  2. Step 2: Convert to fraction form
    134,341.32/185,391 = 73,910.67/x
  3. Step 3: Cross multiply
    134,341.32x = 185,391 × 73,910.67
  4. Step 4: Simplify right side
    134,341.32x = 13,702,373,021.97
  5. Step 5: Solve for x
    x = 13,702,373,021.97/134,341.32
  6. Step 6: Final answer
    x = 101,996.71

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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.