Home / 141,355.18-195,071.65-76,824.41

Finding the Fourth Proportional to 141,355.18, 195,071.65 and 76,824.41

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Solution

The fourth proportional to 141,355.18, 195,071.65 and 76,824.41 is: 106,018.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,355.18 : 195,071.65 = 76,824.41 : x
  2. Step 2: Convert to fraction form
    141,355.18/195,071.65 = 76,824.41/x
  3. Step 3: Cross multiply
    141,355.18x = 195,071.65 × 76,824.41
  4. Step 4: Simplify right side
    141,355.18x = 14,986,264,714.59
  5. Step 5: Solve for x
    x = 14,986,264,714.59/141,355.18
  6. Step 6: Final answer
    x = 106,018.51

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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.