Home / 116,087.88-160,203.11-65,111.95

Finding the Fourth Proportional to 116,087.88, 160,203.11 and 65,111.95

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Solution

The fourth proportional to 116,087.88, 160,203.11 and 65,111.95 is: 89,855.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,087.88 : 160,203.11 = 65,111.95 : x
  2. Step 2: Convert to fraction form
    116,087.88/160,203.11 = 65,111.95/x
  3. Step 3: Cross multiply
    116,087.88x = 160,203.11 × 65,111.95
  4. Step 4: Simplify right side
    116,087.88x = 10,431,136,888.16
  5. Step 5: Solve for x
    x = 10,431,136,888.16/116,087.88
  6. Step 6: Final answer
    x = 89,855.52

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1.5x scale

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.