Home / 136,941.80-205,412.70-96,852.20

Finding the Fourth Proportional to 136,941.80, 205,412.70 and 96,852.20

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Solution

The fourth proportional to 136,941.80, 205,412.70 and 96,852.20 is: 145,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,941.80 : 205,412.70 = 96,852.20 : x
  2. Step 2: Convert to fraction form
    136,941.80/205,412.70 = 96,852.20/x
  3. Step 3: Cross multiply
    136,941.80x = 205,412.70 × 96,852.20
  4. Step 4: Simplify right side
    136,941.80x = 19,894,671,902.94
  5. Step 5: Solve for x
    x = 19,894,671,902.94/136,941.80
  6. Step 6: Final answer
    x = 145,278.30

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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.