Home / 127,621.58-191,432.39-34,124.90

Finding the Fourth Proportional to 127,621.58, 191,432.39 and 34,124.90

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Solution

The fourth proportional to 127,621.58, 191,432.39 and 34,124.90 is: 51,187.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,621.58 : 191,432.39 = 34,124.90 : x
  2. Step 2: Convert to fraction form
    127,621.58/191,432.39 = 34,124.90/x
  3. Step 3: Cross multiply
    127,621.58x = 191,432.39 × 34,124.90
  4. Step 4: Simplify right side
    127,621.58x = 6,532,610,037.72
  5. Step 5: Solve for x
    x = 6,532,610,037.72/127,621.58
  6. Step 6: Final answer
    x = 51,187.35

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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.