Home / 183,732.30-274,984.05-128,436.30

Finding the Fourth Proportional to 183,732.30, 274,984.05 and 128,436.30

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Solution

The fourth proportional to 183,732.30, 274,984.05 and 128,436.30 is: 192,224.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,732.30 : 274,984.05 = 128,436.30 : x
  2. Step 2: Convert to fraction form
    183,732.30/274,984.05 = 128,436.30/x
  3. Step 3: Cross multiply
    183,732.30x = 274,984.05 × 128,436.30
  4. Step 4: Simplify right side
    183,732.30x = 35,317,933,941.02
  5. Step 5: Solve for x
    x = 35,317,933,941.02/183,732.30
  6. Step 6: Final answer
    x = 192,224.96

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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.