Home / 126,834.88-190,254.12-60,281.68

Finding the Fourth Proportional to 126,834.88, 190,254.12 and 60,281.68

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Solution

The fourth proportional to 126,834.88, 190,254.12 and 60,281.68 is: 90,423.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,834.88 : 190,254.12 = 60,281.68 : x
  2. Step 2: Convert to fraction form
    126,834.88/190,254.12 = 60,281.68/x
  3. Step 3: Cross multiply
    126,834.88x = 190,254.12 × 60,281.68
  4. Step 4: Simplify right side
    126,834.88x = 11,468,837,980.52
  5. Step 5: Solve for x
    x = 11,468,837,980.52/126,834.88
  6. Step 6: Final answer
    x = 90,423.38

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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.