Home / 268,394.07-370,384.58-153,674.49

Finding the Fourth Proportional to 268,394.07, 370,384.58 and 153,674.49

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Solution

The fourth proportional to 268,394.07, 370,384.58 and 153,674.49 is: 212,071.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,394.07 : 370,384.58 = 153,674.49 : x
  2. Step 2: Convert to fraction form
    268,394.07/370,384.58 = 153,674.49/x
  3. Step 3: Cross multiply
    268,394.07x = 370,384.58 × 153,674.49
  4. Step 4: Simplify right side
    268,394.07x = 56,918,658,815.07
  5. Step 5: Solve for x
    x = 56,918,658,815.07/268,394.07
  6. Step 6: Final answer
    x = 212,071.22

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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.