Home / 132,148.08-198,035.72-102,426.84

Finding the Fourth Proportional to 132,148.08, 198,035.72 and 102,426.84

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Solution

The fourth proportional to 132,148.08, 198,035.72 and 102,426.84 is: 153,495.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,148.08 : 198,035.72 = 102,426.84 : x
  2. Step 2: Convert to fraction form
    132,148.08/198,035.72 = 102,426.84/x
  3. Step 3: Cross multiply
    132,148.08x = 198,035.72 × 102,426.84
  4. Step 4: Simplify right side
    132,148.08x = 20,284,173,006.72
  5. Step 5: Solve for x
    x = 20,284,173,006.72/132,148.08
  6. Step 6: Final answer
    x = 153,495.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.