Home / 140,210.57-193,489.57-76,548.36

Finding the Fourth Proportional to 140,210.57, 193,489.57 and 76,548.36

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Solution

The fourth proportional to 140,210.57, 193,489.57 and 76,548.36 is: 105,636.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,210.57 : 193,489.57 = 76,548.36 : x
  2. Step 2: Convert to fraction form
    140,210.57/193,489.57 = 76,548.36/x
  3. Step 3: Cross multiply
    140,210.57x = 193,489.57 × 76,548.36
  4. Step 4: Simplify right side
    140,210.57x = 14,811,309,069.23
  5. Step 5: Solve for x
    x = 14,811,309,069.23/140,210.57
  6. Step 6: Final answer
    x = 105,636.18

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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.