Home / 166,413.92-249,683.22-86,401.96

Finding the Fourth Proportional to 166,413.92, 249,683.22 and 86,401.96

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Solution

The fourth proportional to 166,413.92, 249,683.22 and 86,401.96 is: 129,635.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,413.92 : 249,683.22 = 86,401.96 : x
  2. Step 2: Convert to fraction form
    166,413.92/249,683.22 = 86,401.96/x
  3. Step 3: Cross multiply
    166,413.92x = 249,683.22 × 86,401.96
  4. Step 4: Simplify right side
    166,413.92x = 21,573,119,587.11
  5. Step 5: Solve for x
    x = 21,573,119,587.11/166,413.92
  6. Step 6: Final answer
    x = 129,635.31

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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.