Home / 199,387.11-275,084.73-127,806.60

Finding the Fourth Proportional to 199,387.11, 275,084.73 and 127,806.60

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Solution

The fourth proportional to 199,387.11, 275,084.73 and 127,806.60 is: 176,328.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,387.11 : 275,084.73 = 127,806.60 : x
  2. Step 2: Convert to fraction form
    199,387.11/275,084.73 = 127,806.60/x
  3. Step 3: Cross multiply
    199,387.11x = 275,084.73 × 127,806.60
  4. Step 4: Simplify right side
    199,387.11x = 35,157,644,053.22
  5. Step 5: Solve for x
    x = 35,157,644,053.22/199,387.11
  6. Step 6: Final answer
    x = 176,328.57

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1.5x scale

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.