Home / 136,361.16-204,392.70-66,083.40

Finding the Fourth Proportional to 136,361.16, 204,392.70 and 66,083.40

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Solution

The fourth proportional to 136,361.16, 204,392.70 and 66,083.40 is: 99,052.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,361.16 : 204,392.70 = 66,083.40 : x
  2. Step 2: Convert to fraction form
    136,361.16/204,392.70 = 66,083.40/x
  3. Step 3: Cross multiply
    136,361.16x = 204,392.70 × 66,083.40
  4. Step 4: Simplify right side
    136,361.16x = 13,506,964,551.18
  5. Step 5: Solve for x
    x = 13,506,964,551.18/136,361.16
  6. Step 6: Final answer
    x = 99,052.87

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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.