Home / 199,386.86-275,084.39-127,806.35

Finding the Fourth Proportional to 199,386.86, 275,084.39 and 127,806.35

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Solution

The fourth proportional to 199,386.86, 275,084.39 and 127,806.35 is: 176,328.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,386.86 : 275,084.39 = 127,806.35 : x
  2. Step 2: Convert to fraction form
    199,386.86/275,084.39 = 127,806.35/x
  3. Step 3: Cross multiply
    199,386.86x = 275,084.39 × 127,806.35
  4. Step 4: Simplify right side
    199,386.86x = 35,157,531,188.84
  5. Step 5: Solve for x
    x = 35,157,531,188.84/199,386.86
  6. Step 6: Final answer
    x = 176,328.23

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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.