Home / 127,037.62-174,871.92-109,802.14

Finding the Fourth Proportional to 127,037.62, 174,871.92 and 109,802.14

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Solution

The fourth proportional to 127,037.62, 174,871.92 and 109,802.14 is: 151,146.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,037.62 : 174,871.92 = 109,802.14 : x
  2. Step 2: Convert to fraction form
    127,037.62/174,871.92 = 109,802.14/x
  3. Step 3: Cross multiply
    127,037.62x = 174,871.92 × 109,802.14
  4. Step 4: Simplify right side
    127,037.62x = 19,201,311,041.91
  5. Step 5: Solve for x
    x = 19,201,311,041.91/127,037.62
  6. Step 6: Final answer
    x = 151,146.65

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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.