Home / 136,555.80-204,692.88-52,292.92

Finding the Fourth Proportional to 136,555.80, 204,692.88 and 52,292.92

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Solution

The fourth proportional to 136,555.80, 204,692.88 and 52,292.92 is: 78,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,555.80 : 204,692.88 = 52,292.92 : x
  2. Step 2: Convert to fraction form
    136,555.80/204,692.88 = 52,292.92/x
  3. Step 3: Cross multiply
    136,555.80x = 204,692.88 × 52,292.92
  4. Step 4: Simplify right side
    136,555.80x = 10,703,988,398.41
  5. Step 5: Solve for x
    x = 10,703,988,398.41/136,555.80
  6. Step 6: Final answer
    x = 78,385.45

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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.