Home / 132,774.06-183,207.63-76,174.50

Finding the Fourth Proportional to 132,774.06, 183,207.63 and 76,174.50

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Solution

The fourth proportional to 132,774.06, 183,207.63 and 76,174.50 is: 105,109.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,774.06 : 183,207.63 = 76,174.50 : x
  2. Step 2: Convert to fraction form
    132,774.06/183,207.63 = 76,174.50/x
  3. Step 3: Cross multiply
    132,774.06x = 183,207.63 × 76,174.50
  4. Step 4: Simplify right side
    132,774.06x = 13,955,749,611.44
  5. Step 5: Solve for x
    x = 13,955,749,611.44/132,774.06
  6. Step 6: Final answer
    x = 105,109.01

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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.