Home / 124,218.40-186,325.42-30,724.14

Finding the Fourth Proportional to 124,218.40, 186,325.42 and 30,724.14

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Solution

The fourth proportional to 124,218.40, 186,325.42 and 30,724.14 is: 46,085.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,218.40 : 186,325.42 = 30,724.14 : x
  2. Step 2: Convert to fraction form
    124,218.40/186,325.42 = 30,724.14/x
  3. Step 3: Cross multiply
    124,218.40x = 186,325.42 × 30,724.14
  4. Step 4: Simplify right side
    124,218.40x = 5,724,688,289.64
  5. Step 5: Solve for x
    x = 5,724,688,289.64/124,218.40
  6. Step 6: Final answer
    x = 46,085.67

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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.