Home / 139,543.38-209,359.08-46,114.74

Finding the Fourth Proportional to 139,543.38, 209,359.08 and 46,114.74

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Solution

The fourth proportional to 139,543.38, 209,359.08 and 46,114.74 is: 69,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,543.38 : 209,359.08 = 46,114.74 : x
  2. Step 2: Convert to fraction form
    139,543.38/209,359.08 = 46,114.74/x
  3. Step 3: Cross multiply
    139,543.38x = 209,359.08 × 46,114.74
  4. Step 4: Simplify right side
    139,543.38x = 9,654,539,540.84
  5. Step 5: Solve for x
    x = 9,654,539,540.84/139,543.38
  6. Step 6: Final answer
    x = 69,186.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.