Home / 325,973.34-488,677.32-126,156.18

Finding the Fourth Proportional to 325,973.34, 488,677.32 and 126,156.18

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Solution

The fourth proportional to 325,973.34, 488,677.32 and 126,156.18 is: 189,124.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,973.34 : 488,677.32 = 126,156.18 : x
  2. Step 2: Convert to fraction form
    325,973.34/488,677.32 = 126,156.18/x
  3. Step 3: Cross multiply
    325,973.34x = 488,677.32 × 126,156.18
  4. Step 4: Simplify right side
    325,973.34x = 61,649,663,943.84
  5. Step 5: Solve for x
    x = 61,649,663,943.84/325,973.34
  6. Step 6: Final answer
    x = 189,124.87

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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.