Home / 136,588.01-188,521.63-88,758.32

Finding the Fourth Proportional to 136,588.01, 188,521.63 and 88,758.32

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Solution

The fourth proportional to 136,588.01, 188,521.63 and 88,758.32 is: 122,506.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,588.01 : 188,521.63 = 88,758.32 : x
  2. Step 2: Convert to fraction form
    136,588.01/188,521.63 = 88,758.32/x
  3. Step 3: Cross multiply
    136,588.01x = 188,521.63 × 88,758.32
  4. Step 4: Simplify right side
    136,588.01x = 16,732,861,997.96
  5. Step 5: Solve for x
    x = 16,732,861,997.96/136,588.01
  6. Step 6: Final answer
    x = 122,506.09

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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.