Home / 142,765.81-214,150.23-58,504.34

Finding the Fourth Proportional to 142,765.81, 214,150.23 and 58,504.34

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Solution

The fourth proportional to 142,765.81, 214,150.23 and 58,504.34 is: 87,757.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,765.81 : 214,150.23 = 58,504.34 : x
  2. Step 2: Convert to fraction form
    142,765.81/214,150.23 = 58,504.34/x
  3. Step 3: Cross multiply
    142,765.81x = 214,150.23 × 58,504.34
  4. Step 4: Simplify right side
    142,765.81x = 12,528,718,402.37
  5. Step 5: Solve for x
    x = 12,528,718,402.37/142,765.81
  6. Step 6: Final answer
    x = 87,757.14

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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.