Home / 127,159.14-190,767.81-55,124.14

Finding the Fourth Proportional to 127,159.14, 190,767.81 and 55,124.14

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Solution

The fourth proportional to 127,159.14, 190,767.81 and 55,124.14 is: 82,698.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,159.14 : 190,767.81 = 55,124.14 : x
  2. Step 2: Convert to fraction form
    127,159.14/190,767.81 = 55,124.14/x
  3. Step 3: Cross multiply
    127,159.14x = 190,767.81 × 55,124.14
  4. Step 4: Simplify right side
    127,159.14x = 10,515,911,465.93
  5. Step 5: Solve for x
    x = 10,515,911,465.93/127,159.14
  6. Step 6: Final answer
    x = 82,698.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.