Home / 166,525.66-249,688.45-76,455.66

Finding the Fourth Proportional to 166,525.66, 249,688.45 and 76,455.66

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Solution

The fourth proportional to 166,525.66, 249,688.45 and 76,455.66 is: 114,637.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,525.66 : 249,688.45 = 76,455.66 : x
  2. Step 2: Convert to fraction form
    166,525.66/249,688.45 = 76,455.66/x
  3. Step 3: Cross multiply
    166,525.66x = 249,688.45 × 76,455.66
  4. Step 4: Simplify right side
    166,525.66x = 19,090,095,239.13
  5. Step 5: Solve for x
    x = 19,090,095,239.13/166,525.66
  6. Step 6: Final answer
    x = 114,637.56

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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.