Home / 132,652.14-183,079.60-78,214.29

Finding the Fourth Proportional to 132,652.14, 183,079.60 and 78,214.29

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Solution

The fourth proportional to 132,652.14, 183,079.60 and 78,214.29 is: 107,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,652.14 : 183,079.60 = 78,214.29 : x
  2. Step 2: Convert to fraction form
    132,652.14/183,079.60 = 78,214.29/x
  3. Step 3: Cross multiply
    132,652.14x = 183,079.60 × 78,214.29
  4. Step 4: Simplify right side
    132,652.14x = 14,319,440,927.48
  5. Step 5: Solve for x
    x = 14,319,440,927.48/132,652.14
  6. Step 6: Final answer
    x = 107,947.30

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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.