Home / 192,529.38-288,722.16-66,133.74

Finding the Fourth Proportional to 192,529.38, 288,722.16 and 66,133.74

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Solution

The fourth proportional to 192,529.38, 288,722.16 and 66,133.74 is: 99,175.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,529.38 : 288,722.16 = 66,133.74 : x
  2. Step 2: Convert to fraction form
    192,529.38/288,722.16 = 66,133.74/x
  3. Step 3: Cross multiply
    192,529.38x = 288,722.16 × 66,133.74
  4. Step 4: Simplify right side
    192,529.38x = 19,094,276,261.68
  5. Step 5: Solve for x
    x = 19,094,276,261.68/192,529.38
  6. Step 6: Final answer
    x = 99,175.91

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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.