Home / 166,126.90-249,226.80-53,812.30

Finding the Fourth Proportional to 166,126.90, 249,226.80 and 53,812.30

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Solution

The fourth proportional to 166,126.90, 249,226.80 and 53,812.30 is: 80,730.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,126.90 : 249,226.80 = 53,812.30 : x
  2. Step 2: Convert to fraction form
    166,126.90/249,226.80 = 53,812.30/x
  3. Step 3: Cross multiply
    166,126.90x = 249,226.80 × 53,812.30
  4. Step 4: Simplify right side
    166,126.90x = 13,411,467,329.64
  5. Step 5: Solve for x
    x = 13,411,467,329.64/166,126.90
  6. Step 6: Final answer
    x = 80,730.26

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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.