Home / 268,071.64-369,968.39-153,360.93

Finding the Fourth Proportional to 268,071.64, 369,968.39 and 153,360.93

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Solution

The fourth proportional to 268,071.64, 369,968.39 and 153,360.93 is: 211,654.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,071.64 : 369,968.39 = 153,360.93 : x
  2. Step 2: Convert to fraction form
    268,071.64/369,968.39 = 153,360.93/x
  3. Step 3: Cross multiply
    268,071.64x = 369,968.39 × 153,360.93
  4. Step 4: Simplify right side
    268,071.64x = 56,738,696,361.00
  5. Step 5: Solve for x
    x = 56,738,696,361.00/268,071.64
  6. Step 6: Final answer
    x = 211,654.98

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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.