Home / 134,653.30-185,814.33-74,211.91

Finding the Fourth Proportional to 134,653.30, 185,814.33 and 74,211.91

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Solution

The fourth proportional to 134,653.30, 185,814.33 and 74,211.91 is: 102,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,653.30 : 185,814.33 = 74,211.91 : x
  2. Step 2: Convert to fraction form
    134,653.30/185,814.33 = 74,211.91/x
  3. Step 3: Cross multiply
    134,653.30x = 185,814.33 × 74,211.91
  4. Step 4: Simplify right side
    134,653.30x = 13,789,636,334.67
  5. Step 5: Solve for x
    x = 13,789,636,334.67/134,653.30
  6. Step 6: Final answer
    x = 102,408.45

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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.