Home / 166,757.39-249,873.98-128,899.34

Finding the Fourth Proportional to 166,757.39, 249,873.98 and 128,899.34

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Solution

The fourth proportional to 166,757.39, 249,873.98 and 128,899.34 is: 193,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,757.39 : 249,873.98 = 128,899.34 : x
  2. Step 2: Convert to fraction form
    166,757.39/249,873.98 = 128,899.34/x
  3. Step 3: Cross multiply
    166,757.39x = 249,873.98 × 128,899.34
  4. Step 4: Simplify right side
    166,757.39x = 32,208,589,211.31
  5. Step 5: Solve for x
    x = 32,208,589,211.31/166,757.39
  6. Step 6: Final answer
    x = 193,146.40

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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.