Home / 148,797.70-205,376.25-85,172.26

Finding the Fourth Proportional to 148,797.70, 205,376.25 and 85,172.26

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Solution

The fourth proportional to 148,797.70, 205,376.25 and 85,172.26 is: 117,558.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,797.70 : 205,376.25 = 85,172.26 : x
  2. Step 2: Convert to fraction form
    148,797.70/205,376.25 = 85,172.26/x
  3. Step 3: Cross multiply
    148,797.70x = 205,376.25 × 85,172.26
  4. Step 4: Simplify right side
    148,797.70x = 17,492,359,362.83
  5. Step 5: Solve for x
    x = 17,492,359,362.83/148,797.70
  6. Step 6: Final answer
    x = 117,558.00

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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.