Home / 140,235.66-193,525.20-76,573.51

Finding the Fourth Proportional to 140,235.66, 193,525.20 and 76,573.51

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Solution

The fourth proportional to 140,235.66, 193,525.20 and 76,573.51 is: 105,671.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,235.66 : 193,525.20 = 76,573.51 : x
  2. Step 2: Convert to fraction form
    140,235.66/193,525.20 = 76,573.51/x
  3. Step 3: Cross multiply
    140,235.66x = 193,525.20 × 76,573.51
  4. Step 4: Simplify right side
    140,235.66x = 14,818,903,353.64
  5. Step 5: Solve for x
    x = 14,818,903,353.64/140,235.66
  6. Step 6: Final answer
    x = 105,671.43

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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.