Home / 113,713.77-156,975.44-73,447.17

Finding the Fourth Proportional to 113,713.77, 156,975.44 and 73,447.17

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Solution

The fourth proportional to 113,713.77, 156,975.44 and 73,447.17 is: 101,389.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,713.77 : 156,975.44 = 73,447.17 : x
  2. Step 2: Convert to fraction form
    113,713.77/156,975.44 = 73,447.17/x
  3. Step 3: Cross multiply
    113,713.77x = 156,975.44 × 73,447.17
  4. Step 4: Simplify right side
    113,713.77x = 11,529,401,827.50
  5. Step 5: Solve for x
    x = 11,529,401,827.50/113,713.77
  6. Step 6: Final answer
    x = 101,389.67

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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.