Home / 132,429.60-182,573.96-89,914.32

Finding the Fourth Proportional to 132,429.60, 182,573.96 and 89,914.32

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Solution

The fourth proportional to 132,429.60, 182,573.96 and 89,914.32 is: 123,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,429.60 : 182,573.96 = 89,914.32 : x
  2. Step 2: Convert to fraction form
    132,429.60/182,573.96 = 89,914.32/x
  3. Step 3: Cross multiply
    132,429.60x = 182,573.96 × 89,914.32
  4. Step 4: Simplify right side
    132,429.60x = 16,416,013,463.11
  5. Step 5: Solve for x
    x = 16,416,013,463.11/132,429.60
  6. Step 6: Final answer
    x = 123,960.30

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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.