Home / 216,133.40-324,564.60-180,558.20

Finding the Fourth Proportional to 216,133.40, 324,564.60 and 180,558.20

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Solution

The fourth proportional to 216,133.40, 324,564.60 and 180,558.20 is: 271,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,133.40 : 324,564.60 = 180,558.20 : x
  2. Step 2: Convert to fraction form
    216,133.40/324,564.60 = 180,558.20/x
  3. Step 3: Cross multiply
    216,133.40x = 324,564.60 × 180,558.20
  4. Step 4: Simplify right side
    216,133.40x = 58,602,799,959.72
  5. Step 5: Solve for x
    x = 58,602,799,959.72/216,133.40
  6. Step 6: Final answer
    x = 271,141.80

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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.