Home / 136,055.10-204,081.21-42,561.66

Finding the Fourth Proportional to 136,055.10, 204,081.21 and 42,561.66

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Solution

The fourth proportional to 136,055.10, 204,081.21 and 42,561.66 is: 63,842.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,055.10 : 204,081.21 = 42,561.66 : x
  2. Step 2: Convert to fraction form
    136,055.10/204,081.21 = 42,561.66/x
  3. Step 3: Cross multiply
    136,055.10x = 204,081.21 × 42,561.66
  4. Step 4: Simplify right side
    136,055.10x = 8,686,035,072.41
  5. Step 5: Solve for x
    x = 8,686,035,072.41/136,055.10
  6. Step 6: Final answer
    x = 63,842.04

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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.