Home / 166,133.72-249,258.90-103,731.32

Finding the Fourth Proportional to 166,133.72, 249,258.90 and 103,731.32

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Solution

The fourth proportional to 166,133.72, 249,258.90 and 103,731.32 is: 155,633.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,133.72 : 249,258.90 = 103,731.32 : x
  2. Step 2: Convert to fraction form
    166,133.72/249,258.90 = 103,731.32/x
  3. Step 3: Cross multiply
    166,133.72x = 249,258.90 × 103,731.32
  4. Step 4: Simplify right side
    166,133.72x = 25,855,954,718.75
  5. Step 5: Solve for x
    x = 25,855,954,718.75/166,133.72
  6. Step 6: Final answer
    x = 155,633.39

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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.