Home / 199,376.48-274,984.02-127,763.16

Finding the Fourth Proportional to 199,376.48, 274,984.02 and 127,763.16

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Solution

The fourth proportional to 199,376.48, 274,984.02 and 127,763.16 is: 176,213.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,376.48 : 274,984.02 = 127,763.16 : x
  2. Step 2: Convert to fraction form
    199,376.48/274,984.02 = 127,763.16/x
  3. Step 3: Cross multiply
    199,376.48x = 274,984.02 × 127,763.16
  4. Step 4: Simplify right side
    199,376.48x = 35,132,827,344.70
  5. Step 5: Solve for x
    x = 35,132,827,344.70/199,376.48
  6. Step 6: Final answer
    x = 176,213.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.