Home / 166,581.02-249,720.33-86,525.42

Finding the Fourth Proportional to 166,581.02, 249,720.33 and 86,525.42

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Solution

The fourth proportional to 166,581.02, 249,720.33 and 86,525.42 is: 129,709.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,581.02 : 249,720.33 = 86,525.42 : x
  2. Step 2: Convert to fraction form
    166,581.02/249,720.33 = 86,525.42/x
  3. Step 3: Cross multiply
    166,581.02x = 249,720.33 × 86,525.42
  4. Step 4: Simplify right side
    166,581.02x = 21,607,155,511.66
  5. Step 5: Solve for x
    x = 21,607,155,511.66/166,581.02
  6. Step 6: Final answer
    x = 129,709.59

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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.