Home / 369,704.12-510,189.45-199,937.84

Finding the Fourth Proportional to 369,704.12, 510,189.45 and 199,937.84

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Solution

The fourth proportional to 369,704.12, 510,189.45 and 199,937.84 is: 275,913.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,704.12 : 510,189.45 = 199,937.84 : x
  2. Step 2: Convert to fraction form
    369,704.12/510,189.45 = 199,937.84/x
  3. Step 3: Cross multiply
    369,704.12x = 510,189.45 × 199,937.84
  4. Step 4: Simplify right side
    369,704.12x = 102,006,176,623.79
  5. Step 5: Solve for x
    x = 102,006,176,623.79/369,704.12
  6. Step 6: Final answer
    x = 275,913.01

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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.