Home / 166,799.95-229,955.13-105,515.65

Finding the Fourth Proportional to 166,799.95, 229,955.13 and 105,515.65

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Solution

The fourth proportional to 166,799.95, 229,955.13 and 105,515.65 is: 145,466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,799.95 : 229,955.13 = 105,515.65 : x
  2. Step 2: Convert to fraction form
    166,799.95/229,955.13 = 105,515.65/x
  3. Step 3: Cross multiply
    166,799.95x = 229,955.13 × 105,515.65
  4. Step 4: Simplify right side
    166,799.95x = 24,263,865,012.78
  5. Step 5: Solve for x
    x = 24,263,865,012.78/166,799.95
  6. Step 6: Final answer
    x = 145,466.86

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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.