Home / 139,250.61-192,095.96-93,871.17

Finding the Fourth Proportional to 139,250.61, 192,095.96 and 93,871.17

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Solution

The fourth proportional to 139,250.61, 192,095.96 and 93,871.17 is: 129,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,250.61 : 192,095.96 = 93,871.17 : x
  2. Step 2: Convert to fraction form
    139,250.61/192,095.96 = 93,871.17/x
  3. Step 3: Cross multiply
    139,250.61x = 192,095.96 × 93,871.17
  4. Step 4: Simplify right side
    139,250.61x = 18,032,272,048.12
  5. Step 5: Solve for x
    x = 18,032,272,048.12/139,250.61
  6. Step 6: Final answer
    x = 129,495.10

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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.