Home / 140,130.06-193,380.02-76,467.86

Finding the Fourth Proportional to 140,130.06, 193,380.02 and 76,467.86

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Solution

The fourth proportional to 140,130.06, 193,380.02 and 76,467.86 is: 105,525.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,130.06 : 193,380.02 = 76,467.86 : x
  2. Step 2: Convert to fraction form
    140,130.06/193,380.02 = 76,467.86/x
  3. Step 3: Cross multiply
    140,130.06x = 193,380.02 × 76,467.86
  4. Step 4: Simplify right side
    140,130.06x = 14,787,356,296.16
  5. Step 5: Solve for x
    x = 14,787,356,296.16/140,130.06
  6. Step 6: Final answer
    x = 105,525.94

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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.