Home / 111,601.63-154,020.57-61,310.35

Finding the Fourth Proportional to 111,601.63, 154,020.57 and 61,310.35

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Solution

The fourth proportional to 111,601.63, 154,020.57 and 61,310.35 is: 84,613.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,601.63 : 154,020.57 = 61,310.35 : x
  2. Step 2: Convert to fraction form
    111,601.63/154,020.57 = 61,310.35/x
  3. Step 3: Cross multiply
    111,601.63x = 154,020.57 × 61,310.35
  4. Step 4: Simplify right side
    111,601.63x = 9,443,054,283.80
  5. Step 5: Solve for x
    x = 9,443,054,283.80/111,601.63
  6. Step 6: Final answer
    x = 84,613.95

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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.