Home / 124,453.75-186,699.35-40,185.67

Finding the Fourth Proportional to 124,453.75, 186,699.35 and 40,185.67

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Solution

The fourth proportional to 124,453.75, 186,699.35 and 40,185.67 is: 60,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,453.75 : 186,699.35 = 40,185.67 : x
  2. Step 2: Convert to fraction form
    124,453.75/186,699.35 = 40,185.67/x
  3. Step 3: Cross multiply
    124,453.75x = 186,699.35 × 40,185.67
  4. Step 4: Simplify right side
    124,453.75x = 7,502,638,468.31
  5. Step 5: Solve for x
    x = 7,502,638,468.31/124,453.75
  6. Step 6: Final answer
    x = 60,284.55

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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.