Home / 170,623.35-256,427.10-148,972.05

Finding the Fourth Proportional to 170,623.35, 256,427.10 and 148,972.05

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Solution

The fourth proportional to 170,623.35, 256,427.10 and 148,972.05 is: 223,887.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,623.35 : 256,427.10 = 148,972.05 : x
  2. Step 2: Convert to fraction form
    170,623.35/256,427.10 = 148,972.05/x
  3. Step 3: Cross multiply
    170,623.35x = 256,427.10 × 148,972.05
  4. Step 4: Simplify right side
    170,623.35x = 38,200,470,762.56
  5. Step 5: Solve for x
    x = 38,200,470,762.56/170,623.35
  6. Step 6: Final answer
    x = 223,887.71

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1.5x scale

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.