Home / 140,295.08-193,594.66-86,597.39

Finding the Fourth Proportional to 140,295.08, 193,594.66 and 86,597.39

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Solution

The fourth proportional to 140,295.08, 193,594.66 and 86,597.39 is: 119,496.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,295.08 : 193,594.66 = 86,597.39 : x
  2. Step 2: Convert to fraction form
    140,295.08/193,594.66 = 86,597.39/x
  3. Step 3: Cross multiply
    140,295.08x = 193,594.66 × 86,597.39
  4. Step 4: Simplify right side
    140,295.08x = 16,764,792,541.43
  5. Step 5: Solve for x
    x = 16,764,792,541.43/140,295.08
  6. Step 6: Final answer
    x = 119,496.65

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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.