Home / 166,719.24-249,541.88-109,840.11

Finding the Fourth Proportional to 166,719.24, 249,541.88 and 109,840.11

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Solution

The fourth proportional to 166,719.24, 249,541.88 and 109,840.11 is: 164,406.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,719.24 : 249,541.88 = 109,840.11 : x
  2. Step 2: Convert to fraction form
    166,719.24/249,541.88 = 109,840.11/x
  3. Step 3: Cross multiply
    166,719.24x = 249,541.88 × 109,840.11
  4. Step 4: Simplify right side
    166,719.24x = 27,409,706,999.61
  5. Step 5: Solve for x
    x = 27,409,706,999.61/166,719.24
  6. Step 6: Final answer
    x = 164,406.38

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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.