Home / 116,136.60-160,271.64-68,381.16

Finding the Fourth Proportional to 116,136.60, 160,271.64 and 68,381.16

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Solution

The fourth proportional to 116,136.60, 160,271.64 and 68,381.16 is: 94,367.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,136.60 : 160,271.64 = 68,381.16 : x
  2. Step 2: Convert to fraction form
    116,136.60/160,271.64 = 68,381.16/x
  3. Step 3: Cross multiply
    116,136.60x = 160,271.64 × 68,381.16
  4. Step 4: Simplify right side
    116,136.60x = 10,959,560,658.30
  5. Step 5: Solve for x
    x = 10,959,560,658.30/116,136.60
  6. Step 6: Final answer
    x = 94,367.84

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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.