Home / 259,117.88-388,381.98-157,692.18

Finding the Fourth Proportional to 259,117.88, 388,381.98 and 157,692.18

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Solution

The fourth proportional to 259,117.88, 388,381.98 and 157,692.18 is: 236,358.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,117.88 : 388,381.98 = 157,692.18 : x
  2. Step 2: Convert to fraction form
    259,117.88/388,381.98 = 157,692.18/x
  3. Step 3: Cross multiply
    259,117.88x = 388,381.98 × 157,692.18
  4. Step 4: Simplify right side
    259,117.88x = 61,244,801,098.92
  5. Step 5: Solve for x
    x = 61,244,801,098.92/259,117.88
  6. Step 6: Final answer
    x = 236,358.84

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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.