Home / 126,633.18-189,537.69-93,339.90

Finding the Fourth Proportional to 126,633.18, 189,537.69 and 93,339.90

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Solution

The fourth proportional to 126,633.18, 189,537.69 and 93,339.90 is: 139,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,633.18 : 189,537.69 = 93,339.90 : x
  2. Step 2: Convert to fraction form
    126,633.18/189,537.69 = 93,339.90/x
  3. Step 3: Cross multiply
    126,633.18x = 189,537.69 × 93,339.90
  4. Step 4: Simplify right side
    126,633.18x = 17,691,429,030.83
  5. Step 5: Solve for x
    x = 17,691,429,030.83/126,633.18
  6. Step 6: Final answer
    x = 139,706.11

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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.