Home / 136,100.17-204,017.21-61,239.16

Finding the Fourth Proportional to 136,100.17, 204,017.21 and 61,239.16

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Solution

The fourth proportional to 136,100.17, 204,017.21 and 61,239.16 is: 91,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,100.17 : 204,017.21 = 61,239.16 : x
  2. Step 2: Convert to fraction form
    136,100.17/204,017.21 = 61,239.16/x
  3. Step 3: Cross multiply
    136,100.17x = 204,017.21 × 61,239.16
  4. Step 4: Simplify right side
    136,100.17x = 12,493,842,565.94
  5. Step 5: Solve for x
    x = 12,493,842,565.94/136,100.17
  6. Step 6: Final answer
    x = 91,798.88

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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.