Home / 166,568.40-249,867.63-54,219.48

Finding the Fourth Proportional to 166,568.40, 249,867.63 and 54,219.48

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Solution

The fourth proportional to 166,568.40, 249,867.63 and 54,219.48 is: 81,334.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,568.40 : 249,867.63 = 54,219.48 : x
  2. Step 2: Convert to fraction form
    166,568.40/249,867.63 = 54,219.48/x
  3. Step 3: Cross multiply
    166,568.40x = 249,867.63 × 54,219.48
  4. Step 4: Simplify right side
    166,568.40x = 13,547,692,967.43
  5. Step 5: Solve for x
    x = 13,547,692,967.43/166,568.40
  6. Step 6: Final answer
    x = 81,334.11

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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.