Home / 193,510.10-289,514.07-169,638.05

Finding the Fourth Proportional to 193,510.10, 289,514.07 and 169,638.05

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Solution

The fourth proportional to 193,510.10, 289,514.07 and 169,638.05 is: 253,798.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,510.10 : 289,514.07 = 169,638.05 : x
  2. Step 2: Convert to fraction form
    193,510.10/289,514.07 = 169,638.05/x
  3. Step 3: Cross multiply
    193,510.10x = 289,514.07 × 169,638.05
  4. Step 4: Simplify right side
    193,510.10x = 49,112,600,834.79
  5. Step 5: Solve for x
    x = 49,112,600,834.79/193,510.10
  6. Step 6: Final answer
    x = 253,798.65

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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.