Home / 127,751.02-191,649.63-52,830.49

Finding the Fourth Proportional to 127,751.02, 191,649.63 and 52,830.49

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Solution

The fourth proportional to 127,751.02, 191,649.63 and 52,830.49 is: 79,255.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,751.02 : 191,649.63 = 52,830.49 : x
  2. Step 2: Convert to fraction form
    127,751.02/191,649.63 = 52,830.49/x
  3. Step 3: Cross multiply
    127,751.02x = 191,649.63 × 52,830.49
  4. Step 4: Simplify right side
    127,751.02x = 10,124,943,861.22
  5. Step 5: Solve for x
    x = 10,124,943,861.22/127,751.02
  6. Step 6: Final answer
    x = 79,255.29

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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.