Home / 642,332.16-963,546.03-193,017.06

Finding the Fourth Proportional to 642,332.16, 963,546.03 and 193,017.06

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Solution

The fourth proportional to 642,332.16, 963,546.03 and 193,017.06 is: 289,539.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,332.16 : 963,546.03 = 193,017.06 : x
  2. Step 2: Convert to fraction form
    642,332.16/963,546.03 = 193,017.06/x
  3. Step 3: Cross multiply
    642,332.16x = 963,546.03 × 193,017.06
  4. Step 4: Simplify right side
    642,332.16x = 185,980,821,885.27
  5. Step 5: Solve for x
    x = 185,980,821,885.27/642,332.16
  6. Step 6: Final answer
    x = 289,539.95

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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.