Home / 116,071.64-160,166.80-68,322.14

Finding the Fourth Proportional to 116,071.64, 160,166.80 and 68,322.14

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Solution

The fourth proportional to 116,071.64, 160,166.80 and 68,322.14 is: 94,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,071.64 : 160,166.80 = 68,322.14 : x
  2. Step 2: Convert to fraction form
    116,071.64/160,166.80 = 68,322.14/x
  3. Step 3: Cross multiply
    116,071.64x = 160,166.80 × 68,322.14
  4. Step 4: Simplify right side
    116,071.64x = 10,942,938,532.95
  5. Step 5: Solve for x
    x = 10,942,938,532.95/116,071.64
  6. Step 6: Final answer
    x = 94,277.45

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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.