Home / 216,166.50-298,303.44-120,671.10

Finding the Fourth Proportional to 216,166.50, 298,303.44 and 120,671.10

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Solution

The fourth proportional to 216,166.50, 298,303.44 and 120,671.10 is: 166,522.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,166.50 : 298,303.44 = 120,671.10 : x
  2. Step 2: Convert to fraction form
    216,166.50/298,303.44 = 120,671.10/x
  3. Step 3: Cross multiply
    216,166.50x = 298,303.44 × 120,671.10
  4. Step 4: Simplify right side
    216,166.50x = 35,996,604,238.58
  5. Step 5: Solve for x
    x = 35,996,604,238.58/216,166.50
  6. Step 6: Final answer
    x = 166,522.58

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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.