Home / 268,113.06-369,988.77-147,253.35

Finding the Fourth Proportional to 268,113.06, 369,988.77 and 147,253.35

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Solution

The fourth proportional to 268,113.06, 369,988.77 and 147,253.35 is: 203,205.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,113.06 : 369,988.77 = 147,253.35 : x
  2. Step 2: Convert to fraction form
    268,113.06/369,988.77 = 147,253.35/x
  3. Step 3: Cross multiply
    268,113.06x = 369,988.77 × 147,253.35
  4. Step 4: Simplify right side
    268,113.06x = 54,482,085,844.88
  5. Step 5: Solve for x
    x = 54,482,085,844.88/268,113.06
  6. Step 6: Final answer
    x = 203,205.64

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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.