Home / 133,030.71-183,586.65-75,668.55

Finding the Fourth Proportional to 133,030.71, 183,586.65 and 75,668.55

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Solution

The fourth proportional to 133,030.71, 183,586.65 and 75,668.55 is: 104,425.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,030.71 : 183,586.65 = 75,668.55 : x
  2. Step 2: Convert to fraction form
    133,030.71/183,586.65 = 75,668.55/x
  3. Step 3: Cross multiply
    133,030.71x = 183,586.65 × 75,668.55
  4. Step 4: Simplify right side
    133,030.71x = 13,891,735,604.86
  5. Step 5: Solve for x
    x = 13,891,735,604.86/133,030.71
  6. Step 6: Final answer
    x = 104,425.03

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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.