Home / 140,423.12-193,658.44-116,511.92

Finding the Fourth Proportional to 140,423.12, 193,658.44 and 116,511.92

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Solution

The fourth proportional to 140,423.12, 193,658.44 and 116,511.92 is: 160,682.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,423.12 : 193,658.44 = 116,511.92 : x
  2. Step 2: Convert to fraction form
    140,423.12/193,658.44 = 116,511.92/x
  3. Step 3: Cross multiply
    140,423.12x = 193,658.44 × 116,511.92
  4. Step 4: Simplify right side
    140,423.12x = 22,563,516,668.60
  5. Step 5: Solve for x
    x = 22,563,516,668.60/140,423.12
  6. Step 6: Final answer
    x = 160,682.35

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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.