Home / 116,133.12-160,244.46-68,369.04

Finding the Fourth Proportional to 116,133.12, 160,244.46 and 68,369.04

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Solution

The fourth proportional to 116,133.12, 160,244.46 and 68,369.04 is: 94,337.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,133.12 : 160,244.46 = 68,369.04 : x
  2. Step 2: Convert to fraction form
    116,133.12/160,244.46 = 68,369.04/x
  3. Step 3: Cross multiply
    116,133.12x = 160,244.46 × 68,369.04
  4. Step 4: Simplify right side
    116,133.12x = 10,955,759,895.52
  5. Step 5: Solve for x
    x = 10,955,759,895.52/116,133.12
  6. Step 6: Final answer
    x = 94,337.95

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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.