Home / 319,666.79-441,197.39-190,613.61

Finding the Fourth Proportional to 319,666.79, 441,197.39 and 190,613.61

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Solution

The fourth proportional to 319,666.79, 441,197.39 and 190,613.61 is: 263,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,666.79 : 441,197.39 = 190,613.61 : x
  2. Step 2: Convert to fraction form
    319,666.79/441,197.39 = 190,613.61/x
  3. Step 3: Cross multiply
    319,666.79x = 441,197.39 × 190,613.61
  4. Step 4: Simplify right side
    319,666.79x = 84,098,227,707.01
  5. Step 5: Solve for x
    x = 84,098,227,707.01/319,666.79
  6. Step 6: Final answer
    x = 263,080.90

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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.