Home / 116,391.04-160,611.84-68,642.24

Finding the Fourth Proportional to 116,391.04, 160,611.84 and 68,642.24

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Solution

The fourth proportional to 116,391.04, 160,611.84 and 68,642.24 is: 94,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,391.04 : 160,611.84 = 68,642.24 : x
  2. Step 2: Convert to fraction form
    116,391.04/160,611.84 = 68,642.24/x
  3. Step 3: Cross multiply
    116,391.04x = 160,611.84 × 68,642.24
  4. Step 4: Simplify right side
    116,391.04x = 11,024,756,468.12
  5. Step 5: Solve for x
    x = 11,024,756,468.12/116,391.04
  6. Step 6: Final answer
    x = 94,721.69

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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.