Home / 134,582.31-185,722.67-74,151.55

Finding the Fourth Proportional to 134,582.31, 185,722.67 and 74,151.55

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Solution

The fourth proportional to 134,582.31, 185,722.67 and 74,151.55 is: 102,328.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,582.31 : 185,722.67 = 74,151.55 : x
  2. Step 2: Convert to fraction form
    134,582.31/185,722.67 = 74,151.55/x
  3. Step 3: Cross multiply
    134,582.31x = 185,722.67 × 74,151.55
  4. Step 4: Simplify right side
    134,582.31x = 13,771,623,850.64
  5. Step 5: Solve for x
    x = 13,771,623,850.64/134,582.31
  6. Step 6: Final answer
    x = 102,328.63

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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.