Home / 140,210.32-193,489.25-76,548.11

Finding the Fourth Proportional to 140,210.32, 193,489.25 and 76,548.11

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Solution

The fourth proportional to 140,210.32, 193,489.25 and 76,548.11 is: 105,635.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,210.32 : 193,489.25 = 76,548.11 : x
  2. Step 2: Convert to fraction form
    140,210.32/193,489.25 = 76,548.11/x
  3. Step 3: Cross multiply
    140,210.32x = 193,489.25 × 76,548.11
  4. Step 4: Simplify right side
    140,210.32x = 14,811,237,051.96
  5. Step 5: Solve for x
    x = 14,811,237,051.96/140,210.32
  6. Step 6: Final answer
    x = 105,635.86

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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.