Home / 285,510.43-393,825.99-183,668.50

Finding the Fourth Proportional to 285,510.43, 393,825.99 and 183,668.50

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Solution

The fourth proportional to 285,510.43, 393,825.99 and 183,668.50 is: 253,347.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,510.43 : 393,825.99 = 183,668.50 : x
  2. Step 2: Convert to fraction form
    285,510.43/393,825.99 = 183,668.50/x
  3. Step 3: Cross multiply
    285,510.43x = 393,825.99 × 183,668.50
  4. Step 4: Simplify right side
    285,510.43x = 72,333,428,844.32
  5. Step 5: Solve for x
    x = 72,333,428,844.32/285,510.43
  6. Step 6: Final answer
    x = 253,347.76

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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.