Home / 238,669.26-357,953.45-70,143.86

Finding the Fourth Proportional to 238,669.26, 357,953.45 and 70,143.86

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Solution

The fourth proportional to 238,669.26, 357,953.45 and 70,143.86 is: 105,200.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,669.26 : 357,953.45 = 70,143.86 : x
  2. Step 2: Convert to fraction form
    238,669.26/357,953.45 = 70,143.86/x
  3. Step 3: Cross multiply
    238,669.26x = 357,953.45 × 70,143.86
  4. Step 4: Simplify right side
    238,669.26x = 25,108,234,542.83
  5. Step 5: Solve for x
    x = 25,108,234,542.83/238,669.26
  6. Step 6: Final answer
    x = 105,200.96

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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.