Home / 208,859.28-313,438.18-89,000.16

Finding the Fourth Proportional to 208,859.28, 313,438.18 and 89,000.16

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Solution

The fourth proportional to 208,859.28, 313,438.18 and 89,000.16 is: 133,563.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,859.28 : 313,438.18 = 89,000.16 : x
  2. Step 2: Convert to fraction form
    208,859.28/313,438.18 = 89,000.16/x
  3. Step 3: Cross multiply
    208,859.28x = 313,438.18 × 89,000.16
  4. Step 4: Simplify right side
    208,859.28x = 27,896,048,170.11
  5. Step 5: Solve for x
    x = 27,896,048,170.11/208,859.28
  6. Step 6: Final answer
    x = 133,563.84

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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.