Home / 137,301.16-189,377.88-126,007.12

Finding the Fourth Proportional to 137,301.16, 189,377.88 and 126,007.12

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Solution

The fourth proportional to 137,301.16, 189,377.88 and 126,007.12 is: 173,800.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,301.16 : 189,377.88 = 126,007.12 : x
  2. Step 2: Convert to fraction form
    137,301.16/189,377.88 = 126,007.12/x
  3. Step 3: Cross multiply
    137,301.16x = 189,377.88 × 126,007.12
  4. Step 4: Simplify right side
    137,301.16x = 23,862,961,250.51
  5. Step 5: Solve for x
    x = 23,862,961,250.51/137,301.16
  6. Step 6: Final answer
    x = 173,800.14

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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.