Home / 133,063.10-199,594.65-123,440.30

Finding the Fourth Proportional to 133,063.10, 199,594.65 and 123,440.30

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Solution

The fourth proportional to 133,063.10, 199,594.65 and 123,440.30 is: 185,160.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,063.10 : 199,594.65 = 123,440.30 : x
  2. Step 2: Convert to fraction form
    133,063.10/199,594.65 = 123,440.30/x
  3. Step 3: Cross multiply
    133,063.10x = 199,594.65 × 123,440.30
  4. Step 4: Simplify right side
    133,063.10x = 24,638,023,474.40
  5. Step 5: Solve for x
    x = 24,638,023,474.40/133,063.10
  6. Step 6: Final answer
    x = 185,160.45

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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.