Home / 326,025-449,915.72-190,152.77

Finding the Fourth Proportional to 326,025, 449,915.72 and 190,152.77

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Solution

The fourth proportional to 326,025, 449,915.72 and 190,152.77 is: 262,411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,025 : 449,915.72 = 190,152.77 : x
  2. Step 2: Convert to fraction form
    326,025/449,915.72 = 190,152.77/x
  3. Step 3: Cross multiply
    326,025x = 449,915.72 × 190,152.77
  4. Step 4: Simplify right side
    326,025x = 85,552,717,224.20
  5. Step 5: Solve for x
    x = 85,552,717,224.20/326,025
  6. Step 6: Final answer
    x = 262,411.52

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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.