Home / 139,252.74-192,169.02-75,590.58

Finding the Fourth Proportional to 139,252.74, 192,169.02 and 75,590.58

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Solution

The fourth proportional to 139,252.74, 192,169.02 and 75,590.58 is: 104,315.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,252.74 : 192,169.02 = 75,590.58 : x
  2. Step 2: Convert to fraction form
    139,252.74/192,169.02 = 75,590.58/x
  3. Step 3: Cross multiply
    139,252.74x = 192,169.02 × 75,590.58
  4. Step 4: Simplify right side
    139,252.74x = 14,526,167,679.83
  5. Step 5: Solve for x
    x = 14,526,167,679.83/139,252.74
  6. Step 6: Final answer
    x = 104,315.13

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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.