Home / 425,050.79-637,645.23-125,561.52

Finding the Fourth Proportional to 425,050.79, 637,645.23 and 125,561.52

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Solution

The fourth proportional to 425,050.79, 637,645.23 and 125,561.52 is: 188,362.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,050.79 : 637,645.23 = 125,561.52 : x
  2. Step 2: Convert to fraction form
    425,050.79/637,645.23 = 125,561.52/x
  3. Step 3: Cross multiply
    425,050.79x = 637,645.23 × 125,561.52
  4. Step 4: Simplify right side
    425,050.79x = 80,063,704,299.55
  5. Step 5: Solve for x
    x = 80,063,704,299.55/425,050.79
  6. Step 6: Final answer
    x = 188,362.68

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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.