Home / 131,480.46-181,465.74-127,106.46

Finding the Fourth Proportional to 131,480.46, 181,465.74 and 127,106.46

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Solution

The fourth proportional to 131,480.46, 181,465.74 and 127,106.46 is: 175,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,480.46 : 181,465.74 = 127,106.46 : x
  2. Step 2: Convert to fraction form
    131,480.46/181,465.74 = 127,106.46/x
  3. Step 3: Cross multiply
    131,480.46x = 181,465.74 × 127,106.46
  4. Step 4: Simplify right side
    131,480.46x = 23,065,467,822.68
  5. Step 5: Solve for x
    x = 23,065,467,822.68/131,480.46
  6. Step 6: Final answer
    x = 175,428.86

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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.