Home / 284,845.12-427,290.36-166,528.60

Finding the Fourth Proportional to 284,845.12, 427,290.36 and 166,528.60

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Solution

The fourth proportional to 284,845.12, 427,290.36 and 166,528.60 is: 249,806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,845.12 : 427,290.36 = 166,528.60 : x
  2. Step 2: Convert to fraction form
    284,845.12/427,290.36 = 166,528.60/x
  3. Step 3: Cross multiply
    284,845.12x = 427,290.36 × 166,528.60
  4. Step 4: Simplify right side
    284,845.12x = 71,156,065,444.30
  5. Step 5: Solve for x
    x = 71,156,065,444.30/284,845.12
  6. Step 6: Final answer
    x = 249,806.16

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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.