Home / 124,232.54-186,329.67-68,100.45

Finding the Fourth Proportional to 124,232.54, 186,329.67 and 68,100.45

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Solution

The fourth proportional to 124,232.54, 186,329.67 and 68,100.45 is: 102,140.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,232.54 : 186,329.67 = 68,100.45 : x
  2. Step 2: Convert to fraction form
    124,232.54/186,329.67 = 68,100.45/x
  3. Step 3: Cross multiply
    124,232.54x = 186,329.67 × 68,100.45
  4. Step 4: Simplify right side
    124,232.54x = 12,689,133,421.24
  5. Step 5: Solve for x
    x = 12,689,133,421.24/124,232.54
  6. Step 6: Final answer
    x = 102,140.18

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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.