Home / 132,341.10-198,511.65-100,848.30

Finding the Fourth Proportional to 132,341.10, 198,511.65 and 100,848.30

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Solution

The fourth proportional to 132,341.10, 198,511.65 and 100,848.30 is: 151,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,341.10 : 198,511.65 = 100,848.30 : x
  2. Step 2: Convert to fraction form
    132,341.10/198,511.65 = 100,848.30/x
  3. Step 3: Cross multiply
    132,341.10x = 198,511.65 × 100,848.30
  4. Step 4: Simplify right side
    132,341.10x = 20,019,562,432.70
  5. Step 5: Solve for x
    x = 20,019,562,432.70/132,341.10
  6. Step 6: Final answer
    x = 151,272.45

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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.