Home / 135,901.02-203,800.50-47,133.12

Finding the Fourth Proportional to 135,901.02, 203,800.50 and 47,133.12

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Solution

The fourth proportional to 135,901.02, 203,800.50 and 47,133.12 is: 70,681.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,901.02 : 203,800.50 = 47,133.12 : x
  2. Step 2: Convert to fraction form
    135,901.02/203,800.50 = 47,133.12/x
  3. Step 3: Cross multiply
    135,901.02x = 203,800.50 × 47,133.12
  4. Step 4: Simplify right side
    135,901.02x = 9,605,753,422.56
  5. Step 5: Solve for x
    x = 9,605,753,422.56/135,901.02
  6. Step 6: Final answer
    x = 70,681.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.