Home / 127,800.12-191,700.36-127,615.56

Finding the Fourth Proportional to 127,800.12, 191,700.36 and 127,615.56

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Solution

The fourth proportional to 127,800.12, 191,700.36 and 127,615.56 is: 191,423.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,800.12 : 191,700.36 = 127,615.56 : x
  2. Step 2: Convert to fraction form
    127,800.12/191,700.36 = 127,615.56/x
  3. Step 3: Cross multiply
    127,800.12x = 191,700.36 × 127,615.56
  4. Step 4: Simplify right side
    127,800.12x = 24,463,948,793.60
  5. Step 5: Solve for x
    x = 24,463,948,793.60/127,800.12
  6. Step 6: Final answer
    x = 191,423.52

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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.