Home / 166,905.26-249,143.78-154,570.58

Finding the Fourth Proportional to 166,905.26, 249,143.78 and 154,570.58

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Solution

The fourth proportional to 166,905.26, 249,143.78 and 154,570.58 is: 230,731.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,905.26 : 249,143.78 = 154,570.58 : x
  2. Step 2: Convert to fraction form
    166,905.26/249,143.78 = 154,570.58/x
  3. Step 3: Cross multiply
    166,905.26x = 249,143.78 × 154,570.58
  4. Step 4: Simplify right side
    166,905.26x = 38,510,298,577.99
  5. Step 5: Solve for x
    x = 38,510,298,577.99/166,905.26
  6. Step 6: Final answer
    x = 230,731.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.