Home / 641,353.95-962,086.01-168,039.36

Finding the Fourth Proportional to 641,353.95, 962,086.01 and 168,039.36

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Solution

The fourth proportional to 641,353.95, 962,086.01 and 168,039.36 is: 252,073.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,353.95 : 962,086.01 = 168,039.36 : x
  2. Step 2: Convert to fraction form
    641,353.95/962,086.01 = 168,039.36/x
  3. Step 3: Cross multiply
    641,353.95x = 962,086.01 × 168,039.36
  4. Step 4: Simplify right side
    641,353.95x = 161,668,316,545.16
  5. Step 5: Solve for x
    x = 161,668,316,545.16/641,353.95
  6. Step 6: Final answer
    x = 252,073.47

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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.