Home / 166,664.13-249,996.20-42,005.13

Finding the Fourth Proportional to 166,664.13, 249,996.20 and 42,005.13

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Solution

The fourth proportional to 166,664.13, 249,996.20 and 42,005.13 is: 63,007.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,664.13 : 249,996.20 = 42,005.13 : x
  2. Step 2: Convert to fraction form
    166,664.13/249,996.20 = 42,005.13/x
  3. Step 3: Cross multiply
    166,664.13x = 249,996.20 × 42,005.13
  4. Step 4: Simplify right side
    166,664.13x = 10,501,122,880.51
  5. Step 5: Solve for x
    x = 10,501,122,880.51/166,664.13
  6. Step 6: Final answer
    x = 63,007.70

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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.