Home / 166,124.78-249,297.23-91,297.18

Finding the Fourth Proportional to 166,124.78, 249,297.23 and 91,297.18

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Solution

The fourth proportional to 166,124.78, 249,297.23 and 91,297.18 is: 137,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,124.78 : 249,297.23 = 91,297.18 : x
  2. Step 2: Convert to fraction form
    166,124.78/249,297.23 = 91,297.18/x
  3. Step 3: Cross multiply
    166,124.78x = 249,297.23 × 91,297.18
  4. Step 4: Simplify right side
    166,124.78x = 22,760,134,080.81
  5. Step 5: Solve for x
    x = 22,760,134,080.81/166,124.78
  6. Step 6: Final answer
    x = 137,006.26

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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.