Home / 166,261.40-249,392.10-113,117.30

Finding the Fourth Proportional to 166,261.40, 249,392.10 and 113,117.30

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Solution

The fourth proportional to 166,261.40, 249,392.10 and 113,117.30 is: 169,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,261.40 : 249,392.10 = 113,117.30 : x
  2. Step 2: Convert to fraction form
    166,261.40/249,392.10 = 113,117.30/x
  3. Step 3: Cross multiply
    166,261.40x = 249,392.10 × 113,117.30
  4. Step 4: Simplify right side
    166,261.40x = 28,210,560,993.33
  5. Step 5: Solve for x
    x = 28,210,560,993.33/166,261.40
  6. Step 6: Final answer
    x = 169,675.95

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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.