Home / 199,302.39-274,881.78-127,689.12

Finding the Fourth Proportional to 199,302.39, 274,881.78 and 127,689.12

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Solution

The fourth proportional to 199,302.39, 274,881.78 and 127,689.12 is: 176,111.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,302.39 : 274,881.78 = 127,689.12 : x
  2. Step 2: Convert to fraction form
    199,302.39/274,881.78 = 127,689.12/x
  3. Step 3: Cross multiply
    199,302.39x = 274,881.78 × 127,689.12
  4. Step 4: Simplify right side
    199,302.39x = 35,099,412,592.23
  5. Step 5: Solve for x
    x = 35,099,412,592.23/199,302.39
  6. Step 6: Final answer
    x = 176,111.35

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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.