Home / 352,331.10-528,495.17-127,638.86

Finding the Fourth Proportional to 352,331.10, 528,495.17 and 127,638.86

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Solution

The fourth proportional to 352,331.10, 528,495.17 and 127,638.86 is: 191,457.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,331.10 : 528,495.17 = 127,638.86 : x
  2. Step 2: Convert to fraction form
    352,331.10/528,495.17 = 127,638.86/x
  3. Step 3: Cross multiply
    352,331.10x = 528,495.17 × 127,638.86
  4. Step 4: Simplify right side
    352,331.10x = 67,456,517,733.64
  5. Step 5: Solve for x
    x = 67,456,517,733.64/352,331.10
  6. Step 6: Final answer
    x = 191,457.74

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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.