Home / 124,283.37-186,280.45-71,012.67

Finding the Fourth Proportional to 124,283.37, 186,280.45 and 71,012.67

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Solution

The fourth proportional to 124,283.37, 186,280.45 and 71,012.67 is: 106,436.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,283.37 : 186,280.45 = 71,012.67 : x
  2. Step 2: Convert to fraction form
    124,283.37/186,280.45 = 71,012.67/x
  3. Step 3: Cross multiply
    124,283.37x = 186,280.45 × 71,012.67
  4. Step 4: Simplify right side
    124,283.37x = 13,228,270,836.84
  5. Step 5: Solve for x
    x = 13,228,270,836.84/124,283.37
  6. Step 6: Final answer
    x = 106,436.37

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1.5x scale

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.