Home / 377,272.01-520,630.20-205,186.23

Finding the Fourth Proportional to 377,272.01, 520,630.20 and 205,186.23

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Solution

The fourth proportional to 377,272.01, 520,630.20 and 205,186.23 is: 283,154.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,272.01 : 520,630.20 = 205,186.23 : x
  2. Step 2: Convert to fraction form
    377,272.01/520,630.20 = 205,186.23/x
  3. Step 3: Cross multiply
    377,272.01x = 520,630.20 × 205,186.23
  4. Step 4: Simplify right side
    377,272.01x = 106,826,147,962.15
  5. Step 5: Solve for x
    x = 106,826,147,962.15/377,272.01
  6. Step 6: Final answer
    x = 283,154.18

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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.