Home / 127,454.10-191,184.79-43,214.50

Finding the Fourth Proportional to 127,454.10, 191,184.79 and 43,214.50

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Solution

The fourth proportional to 127,454.10, 191,184.79 and 43,214.50 is: 64,822.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,454.10 : 191,184.79 = 43,214.50 : x
  2. Step 2: Convert to fraction form
    127,454.10/191,184.79 = 43,214.50/x
  3. Step 3: Cross multiply
    127,454.10x = 191,184.79 × 43,214.50
  4. Step 4: Simplify right side
    127,454.10x = 8,261,955,107.46
  5. Step 5: Solve for x
    x = 8,261,955,107.46/127,454.10
  6. Step 6: Final answer
    x = 64,822.98

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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.