Home / 208,156.37-287,262.75-127,568.33

Finding the Fourth Proportional to 208,156.37, 287,262.75 and 127,568.33

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Solution

The fourth proportional to 208,156.37, 287,262.75 and 127,568.33 is: 176,048.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,156.37 : 287,262.75 = 127,568.33 : x
  2. Step 2: Convert to fraction form
    208,156.37/287,262.75 = 127,568.33/x
  3. Step 3: Cross multiply
    208,156.37x = 287,262.75 × 127,568.33
  4. Step 4: Simplify right side
    208,156.37x = 36,645,627,214.55
  5. Step 5: Solve for x
    x = 36,645,627,214.55/208,156.37
  6. Step 6: Final answer
    x = 176,048.55

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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.