Home / 351,522.18-485,098.20-190,373.58

Finding the Fourth Proportional to 351,522.18, 485,098.20 and 190,373.58

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Solution

The fourth proportional to 351,522.18, 485,098.20 and 190,373.58 is: 262,714.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,522.18 : 485,098.20 = 190,373.58 : x
  2. Step 2: Convert to fraction form
    351,522.18/485,098.20 = 190,373.58/x
  3. Step 3: Cross multiply
    351,522.18x = 485,098.20 × 190,373.58
  4. Step 4: Simplify right side
    351,522.18x = 92,349,880,985.56
  5. Step 5: Solve for x
    x = 92,349,880,985.56/351,522.18
  6. Step 6: Final answer
    x = 262,714.24

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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.