Home / 133,020.30-183,590.82-127,041.42

Finding the Fourth Proportional to 133,020.30, 183,590.82 and 127,041.42

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Solution

The fourth proportional to 133,020.30, 183,590.82 and 127,041.42 is: 175,338.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,020.30 : 183,590.82 = 127,041.42 : x
  2. Step 2: Convert to fraction form
    133,020.30/183,590.82 = 127,041.42/x
  3. Step 3: Cross multiply
    133,020.30x = 183,590.82 × 127,041.42
  4. Step 4: Simplify right side
    133,020.30x = 23,323,638,471.76
  5. Step 5: Solve for x
    x = 23,323,638,471.76/133,020.30
  6. Step 6: Final answer
    x = 175,338.94

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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.