Home / 268,073.07-369,947.04-153,362.49

Finding the Fourth Proportional to 268,073.07, 369,947.04 and 153,362.49

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Solution

The fourth proportional to 268,073.07, 369,947.04 and 153,362.49 is: 211,643.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,073.07 : 369,947.04 = 153,362.49 : x
  2. Step 2: Convert to fraction form
    268,073.07/369,947.04 = 153,362.49/x
  3. Step 3: Cross multiply
    268,073.07x = 369,947.04 × 153,362.49
  4. Step 4: Simplify right side
    268,073.07x = 56,735,999,222.53
  5. Step 5: Solve for x
    x = 56,735,999,222.53/268,073.07
  6. Step 6: Final answer
    x = 211,643.79

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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.