Home / 155,529.45-233,193.74-85,389.93

Finding the Fourth Proportional to 155,529.45, 233,193.74 and 85,389.93

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Solution

The fourth proportional to 155,529.45, 233,193.74 and 85,389.93 is: 128,029.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,529.45 : 233,193.74 = 85,389.93 : x
  2. Step 2: Convert to fraction form
    155,529.45/233,193.74 = 85,389.93/x
  3. Step 3: Cross multiply
    155,529.45x = 233,193.74 × 85,389.93
  4. Step 4: Simplify right side
    155,529.45x = 19,912,396,708.09
  5. Step 5: Solve for x
    x = 19,912,396,708.09/155,529.45
  6. Step 6: Final answer
    x = 128,029.75

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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.