Home / 166,436.14-249,664.72-70,355.44

Finding the Fourth Proportional to 166,436.14, 249,664.72 and 70,355.44

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Solution

The fourth proportional to 166,436.14, 249,664.72 and 70,355.44 is: 105,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,436.14 : 249,664.72 = 70,355.44 : x
  2. Step 2: Convert to fraction form
    166,436.14/249,664.72 = 70,355.44/x
  3. Step 3: Cross multiply
    166,436.14x = 249,664.72 × 70,355.44
  4. Step 4: Simplify right side
    166,436.14x = 17,565,271,291.90
  5. Step 5: Solve for x
    x = 17,565,271,291.90/166,436.14
  6. Step 6: Final answer
    x = 105,537.60

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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.