Home / 127,056.06-176,140.44-120,314.97

Finding the Fourth Proportional to 127,056.06, 176,140.44 and 120,314.97

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Solution

The fourth proportional to 127,056.06, 176,140.44 and 120,314.97 is: 166,795.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,056.06 : 176,140.44 = 120,314.97 : x
  2. Step 2: Convert to fraction form
    127,056.06/176,140.44 = 120,314.97/x
  3. Step 3: Cross multiply
    127,056.06x = 176,140.44 × 120,314.97
  4. Step 4: Simplify right side
    127,056.06x = 21,192,331,754.39
  5. Step 5: Solve for x
    x = 21,192,331,754.39/127,056.06
  6. Step 6: Final answer
    x = 166,795.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.