Home / 140,163.60-193,420.35-76,501.40

Finding the Fourth Proportional to 140,163.60, 193,420.35 and 76,501.40

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Solution

The fourth proportional to 140,163.60, 193,420.35 and 76,501.40 is: 105,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,163.60 : 193,420.35 = 76,501.40 : x
  2. Step 2: Convert to fraction form
    140,163.60/193,420.35 = 76,501.40/x
  3. Step 3: Cross multiply
    140,163.60x = 193,420.35 × 76,501.40
  4. Step 4: Simplify right side
    140,163.60x = 14,796,927,563.49
  5. Step 5: Solve for x
    x = 14,796,927,563.49/140,163.60
  6. Step 6: Final answer
    x = 105,568.97

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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.