Home / 148,509.27-204,930.09-84,834.63

Finding the Fourth Proportional to 148,509.27, 204,930.09 and 84,834.63

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Solution

The fourth proportional to 148,509.27, 204,930.09 and 84,834.63 is: 117,064.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,509.27 : 204,930.09 = 84,834.63 : x
  2. Step 2: Convert to fraction form
    148,509.27/204,930.09 = 84,834.63/x
  3. Step 3: Cross multiply
    148,509.27x = 204,930.09 × 84,834.63
  4. Step 4: Simplify right side
    148,509.27x = 17,385,168,361.02
  5. Step 5: Solve for x
    x = 17,385,168,361.02/148,509.27
  6. Step 6: Final answer
    x = 117,064.53

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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.