Home / 126,790.66-190,204.54-38,051.18

Finding the Fourth Proportional to 126,790.66, 190,204.54 and 38,051.18

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Solution

The fourth proportional to 126,790.66, 190,204.54 and 38,051.18 is: 57,082.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,790.66 : 190,204.54 = 38,051.18 : x
  2. Step 2: Convert to fraction form
    126,790.66/190,204.54 = 38,051.18/x
  3. Step 3: Cross multiply
    126,790.66x = 190,204.54 × 38,051.18
  4. Step 4: Simplify right side
    126,790.66x = 7,237,506,855.47
  5. Step 5: Solve for x
    x = 7,237,506,855.47/126,790.66
  6. Step 6: Final answer
    x = 57,082.33

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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.