Home / 140,093.58-193,345.27-78,010.32

Finding the Fourth Proportional to 140,093.58, 193,345.27 and 78,010.32

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Solution

The fourth proportional to 140,093.58, 193,345.27 and 78,010.32 is: 107,663.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,093.58 : 193,345.27 = 78,010.32 : x
  2. Step 2: Convert to fraction form
    140,093.58/193,345.27 = 78,010.32/x
  3. Step 3: Cross multiply
    140,093.58x = 193,345.27 × 78,010.32
  4. Step 4: Simplify right side
    140,093.58x = 15,082,926,188.16
  5. Step 5: Solve for x
    x = 15,082,926,188.16/140,093.58
  6. Step 6: Final answer
    x = 107,663.22

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1.5x scale

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.