Home / 143,011.02-197,364.18-82,592.70

Finding the Fourth Proportional to 143,011.02, 197,364.18 and 82,592.70

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Solution

The fourth proportional to 143,011.02, 197,364.18 and 82,592.70 is: 113,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,011.02 : 197,364.18 = 82,592.70 : x
  2. Step 2: Convert to fraction form
    143,011.02/197,364.18 = 82,592.70/x
  3. Step 3: Cross multiply
    143,011.02x = 197,364.18 × 82,592.70
  4. Step 4: Simplify right side
    143,011.02x = 16,300,840,509.49
  5. Step 5: Solve for x
    x = 16,300,840,509.49/143,011.02
  6. Step 6: Final answer
    x = 113,983.11

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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.