Home / 183,622.40-275,433.60-120,636.80

Finding the Fourth Proportional to 183,622.40, 275,433.60 and 120,636.80

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Solution

The fourth proportional to 183,622.40, 275,433.60 and 120,636.80 is: 180,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,622.40 : 275,433.60 = 120,636.80 : x
  2. Step 2: Convert to fraction form
    183,622.40/275,433.60 = 120,636.80/x
  3. Step 3: Cross multiply
    183,622.40x = 275,433.60 × 120,636.80
  4. Step 4: Simplify right side
    183,622.40x = 33,227,428,116.48
  5. Step 5: Solve for x
    x = 33,227,428,116.48/183,622.40
  6. Step 6: Final answer
    x = 180,955.20

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1.5x scale

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.