Home / 239,438.81-359,214.60-70,960.53

Finding the Fourth Proportional to 239,438.81, 359,214.60 and 70,960.53

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Solution

The fourth proportional to 239,438.81, 359,214.60 and 70,960.53 is: 106,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,438.81 : 359,214.60 = 70,960.53 : x
  2. Step 2: Convert to fraction form
    239,438.81/359,214.60 = 70,960.53/x
  3. Step 3: Cross multiply
    239,438.81x = 359,214.60 × 70,960.53
  4. Step 4: Simplify right side
    239,438.81x = 25,490,058,603.45
  5. Step 5: Solve for x
    x = 25,490,058,603.45/239,438.81
  6. Step 6: Final answer
    x = 106,457.51

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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.