Home / 124,298.24-186,302.70-71,027.55

Finding the Fourth Proportional to 124,298.24, 186,302.70 and 71,027.55

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Solution

The fourth proportional to 124,298.24, 186,302.70 and 71,027.55 is: 106,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,298.24 : 186,302.70 = 71,027.55 : x
  2. Step 2: Convert to fraction form
    124,298.24/186,302.70 = 71,027.55/x
  3. Step 3: Cross multiply
    124,298.24x = 186,302.70 × 71,027.55
  4. Step 4: Simplify right side
    124,298.24x = 13,232,624,339.39
  5. Step 5: Solve for x
    x = 13,232,624,339.39/124,298.24
  6. Step 6: Final answer
    x = 106,458.67

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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.