Home / 118,333.06-177,358.39-68,307.46

Finding the Fourth Proportional to 118,333.06, 177,358.39 and 68,307.46

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Solution

The fourth proportional to 118,333.06, 177,358.39 and 68,307.46 is: 102,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,333.06 : 177,358.39 = 68,307.46 : x
  2. Step 2: Convert to fraction form
    118,333.06/177,358.39 = 68,307.46/x
  3. Step 3: Cross multiply
    118,333.06x = 177,358.39 × 68,307.46
  4. Step 4: Simplify right side
    118,333.06x = 12,114,900,516.42
  5. Step 5: Solve for x
    x = 12,114,900,516.42/118,333.06
  6. Step 6: Final answer
    x = 102,379.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.