Home / 136,037.48-204,090.80-79,925.00

Finding the Fourth Proportional to 136,037.48, 204,090.80 and 79,925.00

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Solution

The fourth proportional to 136,037.48, 204,090.80 and 79,925.00 is: 119,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,037.48 : 204,090.80 = 79,925.00 : x
  2. Step 2: Convert to fraction form
    136,037.48/204,090.80 = 79,925.00/x
  3. Step 3: Cross multiply
    136,037.48x = 204,090.80 × 79,925.00
  4. Step 4: Simplify right side
    136,037.48x = 16,311,955,769.92
  5. Step 5: Solve for x
    x = 16,311,955,769.92/136,037.48
  6. Step 6: Final answer
    x = 119,907.81

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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.