Home / 140,360.32-193,697.75-76,698.12

Finding the Fourth Proportional to 140,360.32, 193,697.75 and 76,698.12

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Solution

The fourth proportional to 140,360.32, 193,697.75 and 76,698.12 is: 105,843.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,360.32 : 193,697.75 = 76,698.12 : x
  2. Step 2: Convert to fraction form
    140,360.32/193,697.75 = 76,698.12/x
  3. Step 3: Cross multiply
    140,360.32x = 193,697.75 × 76,698.12
  4. Step 4: Simplify right side
    140,360.32x = 14,856,254,191.34
  5. Step 5: Solve for x
    x = 14,856,254,191.34/140,360.32
  6. Step 6: Final answer
    x = 105,843.69

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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.