Home / 642,527.29-963,838.72-193,212.19

Finding the Fourth Proportional to 642,527.29, 963,838.72 and 193,212.19

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Solution

The fourth proportional to 642,527.29, 963,838.72 and 193,212.19 is: 289,832.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,527.29 : 963,838.72 = 193,212.19 : x
  2. Step 2: Convert to fraction form
    642,527.29/963,838.72 = 193,212.19/x
  3. Step 3: Cross multiply
    642,527.29x = 963,838.72 × 193,212.19
  4. Step 4: Simplify right side
    642,527.29x = 186,225,385,078.80
  5. Step 5: Solve for x
    x = 186,225,385,078.80/642,527.29
  6. Step 6: Final answer
    x = 289,832.65

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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.