Home / 148,851.33-205,369.58-84,310.31

Finding the Fourth Proportional to 148,851.33, 205,369.58 and 84,310.31

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Solution

The fourth proportional to 148,851.33, 205,369.58 and 84,310.31 is: 116,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,851.33 : 205,369.58 = 84,310.31 : x
  2. Step 2: Convert to fraction form
    148,851.33/205,369.58 = 84,310.31/x
  3. Step 3: Cross multiply
    148,851.33x = 205,369.58 × 84,310.31
  4. Step 4: Simplify right side
    148,851.33x = 17,314,773,326.69
  5. Step 5: Solve for x
    x = 17,314,773,326.69/148,851.33
  6. Step 6: Final answer
    x = 116,322.60

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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.