Home / 166,278.12-249,381.50-47,927.40

Finding the Fourth Proportional to 166,278.12, 249,381.50 and 47,927.40

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Solution

The fourth proportional to 166,278.12, 249,381.50 and 47,927.40 is: 71,880.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,278.12 : 249,381.50 = 47,927.40 : x
  2. Step 2: Convert to fraction form
    166,278.12/249,381.50 = 47,927.40/x
  3. Step 3: Cross multiply
    166,278.12x = 249,381.50 × 47,927.40
  4. Step 4: Simplify right side
    166,278.12x = 11,952,206,903.10
  5. Step 5: Solve for x
    x = 11,952,206,903.10/166,278.12
  6. Step 6: Final answer
    x = 71,880.82

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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.