Home / 108,948.16-150,359.34-73,212.58

Finding the Fourth Proportional to 108,948.16, 150,359.34 and 73,212.58

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Solution

The fourth proportional to 108,948.16, 150,359.34 and 73,212.58 is: 101,040.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,948.16 : 150,359.34 = 73,212.58 : x
  2. Step 2: Convert to fraction form
    108,948.16/150,359.34 = 73,212.58/x
  3. Step 3: Cross multiply
    108,948.16x = 150,359.34 × 73,212.58
  4. Step 4: Simplify right side
    108,948.16x = 11,008,195,208.50
  5. Step 5: Solve for x
    x = 11,008,195,208.50/108,948.16
  6. Step 6: Final answer
    x = 101,040.67

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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.