Home / 166,116.40-249,165.90-47,783.11

Finding the Fourth Proportional to 166,116.40, 249,165.90 and 47,783.11

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Solution

The fourth proportional to 166,116.40, 249,165.90 and 47,783.11 is: 71,672.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,116.40 : 249,165.90 = 47,783.11 : x
  2. Step 2: Convert to fraction form
    166,116.40/249,165.90 = 47,783.11/x
  3. Step 3: Cross multiply
    166,116.40x = 249,165.90 × 47,783.11
  4. Step 4: Simplify right side
    166,116.40x = 11,905,921,607.95
  5. Step 5: Solve for x
    x = 11,905,921,607.95/166,116.40
  6. Step 6: Final answer
    x = 71,672.16

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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.