Home / 127,529.40-191,294.10-107,846.40

Finding the Fourth Proportional to 127,529.40, 191,294.10 and 107,846.40

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Solution

The fourth proportional to 127,529.40, 191,294.10 and 107,846.40 is: 161,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,529.40 : 191,294.10 = 107,846.40 : x
  2. Step 2: Convert to fraction form
    127,529.40/191,294.10 = 107,846.40/x
  3. Step 3: Cross multiply
    127,529.40x = 191,294.10 × 107,846.40
  4. Step 4: Simplify right side
    127,529.40x = 20,630,380,026.24
  5. Step 5: Solve for x
    x = 20,630,380,026.24/127,529.40
  6. Step 6: Final answer
    x = 161,769.60

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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.