Home / 133,174.02-183,785.61-76,585.38

Finding the Fourth Proportional to 133,174.02, 183,785.61 and 76,585.38

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Solution

The fourth proportional to 133,174.02, 183,785.61 and 76,585.38 is: 105,690.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,174.02 : 183,785.61 = 76,585.38 : x
  2. Step 2: Convert to fraction form
    133,174.02/183,785.61 = 76,585.38/x
  3. Step 3: Cross multiply
    133,174.02x = 183,785.61 × 76,585.38
  4. Step 4: Simplify right side
    133,174.02x = 14,075,290,780.38
  5. Step 5: Solve for x
    x = 14,075,290,780.38/133,174.02
  6. Step 6: Final answer
    x = 105,690.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.