Home / 278,636.80-384,580.02-183,152.38

Finding the Fourth Proportional to 278,636.80, 384,580.02 and 183,152.38

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Solution

The fourth proportional to 278,636.80, 384,580.02 and 183,152.38 is: 252,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,636.80 : 384,580.02 = 183,152.38 : x
  2. Step 2: Convert to fraction form
    278,636.80/384,580.02 = 183,152.38/x
  3. Step 3: Cross multiply
    278,636.80x = 384,580.02 × 183,152.38
  4. Step 4: Simplify right side
    278,636.80x = 70,436,745,963.45
  5. Step 5: Solve for x
    x = 70,436,745,963.45/278,636.80
  6. Step 6: Final answer
    x = 252,790.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.