Home / 127,813.02-191,720.75-34,318.77

Finding the Fourth Proportional to 127,813.02, 191,720.75 and 34,318.77

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Solution

The fourth proportional to 127,813.02, 191,720.75 and 34,318.77 is: 51,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,813.02 : 191,720.75 = 34,318.77 : x
  2. Step 2: Convert to fraction form
    127,813.02/191,720.75 = 34,318.77/x
  3. Step 3: Cross multiply
    127,813.02x = 191,720.75 × 34,318.77
  4. Step 4: Simplify right side
    127,813.02x = 6,579,620,151.88
  5. Step 5: Solve for x
    x = 6,579,620,151.88/127,813.02
  6. Step 6: Final answer
    x = 51,478.48

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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.