Home / 399,156.07-599,038.67-146,675.83

Finding the Fourth Proportional to 399,156.07, 599,038.67 and 146,675.83

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Solution

The fourth proportional to 399,156.07, 599,038.67 and 146,675.83 is: 220,125.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,156.07 : 599,038.67 = 146,675.83 : x
  2. Step 2: Convert to fraction form
    399,156.07/599,038.67 = 146,675.83/x
  3. Step 3: Cross multiply
    399,156.07x = 599,038.67 × 146,675.83
  4. Step 4: Simplify right side
    399,156.07x = 87,864,494,124.35
  5. Step 5: Solve for x
    x = 87,864,494,124.35/399,156.07
  6. Step 6: Final answer
    x = 220,125.66

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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.