Home / 166,664.60-249,996.90-42,005.60

Finding the Fourth Proportional to 166,664.60, 249,996.90 and 42,005.60

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Solution

The fourth proportional to 166,664.60, 249,996.90 and 42,005.60 is: 63,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,664.60 : 249,996.90 = 42,005.60 : x
  2. Step 2: Convert to fraction form
    166,664.60/249,996.90 = 42,005.60/x
  3. Step 3: Cross multiply
    166,664.60x = 249,996.90 × 42,005.60
  4. Step 4: Simplify right side
    166,664.60x = 10,501,269,782.64
  5. Step 5: Solve for x
    x = 10,501,269,782.64/166,664.60
  6. Step 6: Final answer
    x = 63,008.40

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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.