Home / 132,683.64-183,099.20-78,956.34

Finding the Fourth Proportional to 132,683.64, 183,099.20 and 78,956.34

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Solution

The fourth proportional to 132,683.64, 183,099.20 and 78,956.34 is: 108,957.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,683.64 : 183,099.20 = 78,956.34 : x
  2. Step 2: Convert to fraction form
    132,683.64/183,099.20 = 78,956.34/x
  3. Step 3: Cross multiply
    132,683.64x = 183,099.20 × 78,956.34
  4. Step 4: Simplify right side
    132,683.64x = 14,456,842,294.15
  5. Step 5: Solve for x
    x = 14,456,842,294.15/132,683.64
  6. Step 6: Final answer
    x = 108,957.23

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1.5x scale

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.