Home / 425,019.09-637,102.67-197,474.57

Finding the Fourth Proportional to 425,019.09, 637,102.67 and 197,474.57

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Solution

The fourth proportional to 425,019.09, 637,102.67 and 197,474.57 is: 296,013.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,019.09 : 637,102.67 = 197,474.57 : x
  2. Step 2: Convert to fraction form
    425,019.09/637,102.67 = 197,474.57/x
  3. Step 3: Cross multiply
    425,019.09x = 637,102.67 × 197,474.57
  4. Step 4: Simplify right side
    425,019.09x = 125,811,575,804.10
  5. Step 5: Solve for x
    x = 125,811,575,804.10/425,019.09
  6. Step 6: Final answer
    x = 296,013.94

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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.