Home / 127,626.96-191,432.67-56,528.73

Finding the Fourth Proportional to 127,626.96, 191,432.67 and 56,528.73

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Solution

The fourth proportional to 127,626.96, 191,432.67 and 56,528.73 is: 84,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,626.96 : 191,432.67 = 56,528.73 : x
  2. Step 2: Convert to fraction form
    127,626.96/191,432.67 = 56,528.73/x
  3. Step 3: Cross multiply
    127,626.96x = 191,432.67 × 56,528.73
  4. Step 4: Simplify right side
    127,626.96x = 10,821,445,715.61
  5. Step 5: Solve for x
    x = 10,821,445,715.61/127,626.96
  6. Step 6: Final answer
    x = 84,789.65

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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.