Home / 170,941.38-256,443.05-85,596.74

Finding the Fourth Proportional to 170,941.38, 256,443.05 and 85,596.74

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Solution

The fourth proportional to 170,941.38, 256,443.05 and 85,596.74 is: 128,410.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,941.38 : 256,443.05 = 85,596.74 : x
  2. Step 2: Convert to fraction form
    170,941.38/256,443.05 = 85,596.74/x
  3. Step 3: Cross multiply
    170,941.38x = 256,443.05 × 85,596.74
  4. Step 4: Simplify right side
    170,941.38x = 21,950,689,075.66
  5. Step 5: Solve for x
    x = 21,950,689,075.66/170,941.38
  6. Step 6: Final answer
    x = 128,410.62

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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.