Home / 133,211.64-183,842.22-75,869.52

Finding the Fourth Proportional to 133,211.64, 183,842.22 and 75,869.52

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Solution

The fourth proportional to 133,211.64, 183,842.22 and 75,869.52 is: 104,705.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,211.64 : 183,842.22 = 75,869.52 : x
  2. Step 2: Convert to fraction form
    133,211.64/183,842.22 = 75,869.52/x
  3. Step 3: Cross multiply
    133,211.64x = 183,842.22 × 75,869.52
  4. Step 4: Simplify right side
    133,211.64x = 13,948,020,987.13
  5. Step 5: Solve for x
    x = 13,948,020,987.13/133,211.64
  6. Step 6: Final answer
    x = 104,705.72

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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.