Home / 216,427.82-298,665.18-118,306.70

Finding the Fourth Proportional to 216,427.82, 298,665.18 and 118,306.70

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Solution

The fourth proportional to 216,427.82, 298,665.18 and 118,306.70 is: 163,260.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,427.82 : 298,665.18 = 118,306.70 : x
  2. Step 2: Convert to fraction form
    216,427.82/298,665.18 = 118,306.70/x
  3. Step 3: Cross multiply
    216,427.82x = 298,665.18 × 118,306.70
  4. Step 4: Simplify right side
    216,427.82x = 35,334,091,033.72
  5. Step 5: Solve for x
    x = 35,334,091,033.72/216,427.82
  6. Step 6: Final answer
    x = 163,260.39

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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.