Home / 139,516.86-192,541.14-75,853.29

Finding the Fourth Proportional to 139,516.86, 192,541.14 and 75,853.29

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Solution

The fourth proportional to 139,516.86, 192,541.14 and 75,853.29 is: 104,681.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,516.86 : 192,541.14 = 75,853.29 : x
  2. Step 2: Convert to fraction form
    139,516.86/192,541.14 = 75,853.29/x
  3. Step 3: Cross multiply
    139,516.86x = 192,541.14 × 75,853.29
  4. Step 4: Simplify right side
    139,516.86x = 14,604,878,929.35
  5. Step 5: Solve for x
    x = 14,604,878,929.35/139,516.86
  6. Step 6: Final answer
    x = 104,681.82

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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.