Home / 127,805.31-191,718.77-34,316.19

Finding the Fourth Proportional to 127,805.31, 191,718.77 and 34,316.19

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Solution

The fourth proportional to 127,805.31, 191,718.77 and 34,316.19 is: 51,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,805.31 : 191,718.77 = 34,316.19 : x
  2. Step 2: Convert to fraction form
    127,805.31/191,718.77 = 34,316.19/x
  3. Step 3: Cross multiply
    127,805.31x = 191,718.77 × 34,316.19
  4. Step 4: Simplify right side
    127,805.31x = 6,579,057,566.31
  5. Step 5: Solve for x
    x = 6,579,057,566.31/127,805.31
  6. Step 6: Final answer
    x = 51,477.18

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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.