Home / 140,574.08-193,997.06-76,911.86

Finding the Fourth Proportional to 140,574.08, 193,997.06 and 76,911.86

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Solution

The fourth proportional to 140,574.08, 193,997.06 and 76,911.86 is: 106,141.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,574.08 : 193,997.06 = 76,911.86 : x
  2. Step 2: Convert to fraction form
    140,574.08/193,997.06 = 76,911.86/x
  3. Step 3: Cross multiply
    140,574.08x = 193,997.06 × 76,911.86
  4. Step 4: Simplify right side
    140,574.08x = 14,920,674,719.13
  5. Step 5: Solve for x
    x = 14,920,674,719.13/140,574.08
  6. Step 6: Final answer
    x = 106,141.01

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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.