Home / 114,401.12-157,698.54-80,313.98

Finding the Fourth Proportional to 114,401.12, 157,698.54 and 80,313.98

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Solution

The fourth proportional to 114,401.12, 157,698.54 and 80,313.98 is: 110,710.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,401.12 : 157,698.54 = 80,313.98 : x
  2. Step 2: Convert to fraction form
    114,401.12/157,698.54 = 80,313.98/x
  3. Step 3: Cross multiply
    114,401.12x = 157,698.54 × 80,313.98
  4. Step 4: Simplify right side
    114,401.12x = 12,665,396,599.10
  5. Step 5: Solve for x
    x = 12,665,396,599.10/114,401.12
  6. Step 6: Final answer
    x = 110,710.43

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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.