Home / 148,093.42-204,156.35-105,578.14

Finding the Fourth Proportional to 148,093.42, 204,156.35 and 105,578.14

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Solution

The fourth proportional to 148,093.42, 204,156.35 and 105,578.14 is: 145,546.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,093.42 : 204,156.35 = 105,578.14 : x
  2. Step 2: Convert to fraction form
    148,093.42/204,156.35 = 105,578.14/x
  3. Step 3: Cross multiply
    148,093.42x = 204,156.35 × 105,578.14
  4. Step 4: Simplify right side
    148,093.42x = 21,554,446,681.41
  5. Step 5: Solve for x
    x = 21,554,446,681.41/148,093.42
  6. Step 6: Final answer
    x = 145,546.29

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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.