Home / 143,176.17-197,559.41-82,752.45

Finding the Fourth Proportional to 143,176.17, 197,559.41 and 82,752.45

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Solution

The fourth proportional to 143,176.17, 197,559.41 and 82,752.45 is: 114,184.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,176.17 : 197,559.41 = 82,752.45 : x
  2. Step 2: Convert to fraction form
    143,176.17/197,559.41 = 82,752.45/x
  3. Step 3: Cross multiply
    143,176.17x = 197,559.41 × 82,752.45
  4. Step 4: Simplify right side
    143,176.17x = 16,348,525,154.72
  5. Step 5: Solve for x
    x = 16,348,525,154.72/143,176.17
  6. Step 6: Final answer
    x = 114,184.68

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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.