Home / 285,428.14-393,700.93-183,582.43

Finding the Fourth Proportional to 285,428.14, 393,700.93 and 183,582.43

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Solution

The fourth proportional to 285,428.14, 393,700.93 and 183,582.43 is: 253,221.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,428.14 : 393,700.93 = 183,582.43 : x
  2. Step 2: Convert to fraction form
    285,428.14/393,700.93 = 183,582.43/x
  3. Step 3: Cross multiply
    285,428.14x = 393,700.93 × 183,582.43
  4. Step 4: Simplify right side
    285,428.14x = 72,276,573,422.66
  5. Step 5: Solve for x
    x = 72,276,573,422.66/285,428.14
  6. Step 6: Final answer
    x = 253,221.61

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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.