Home / 127,697.23-191,515.02-56,580.55

Finding the Fourth Proportional to 127,697.23, 191,515.02 and 56,580.55

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Solution

The fourth proportional to 127,697.23, 191,515.02 and 56,580.55 is: 84,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,697.23 : 191,515.02 = 56,580.55 : x
  2. Step 2: Convert to fraction form
    127,697.23/191,515.02 = 56,580.55/x
  3. Step 3: Cross multiply
    127,697.23x = 191,515.02 × 56,580.55
  4. Step 4: Simplify right side
    127,697.23x = 10,836,025,164.86
  5. Step 5: Solve for x
    x = 10,836,025,164.86/127,697.23
  6. Step 6: Final answer
    x = 84,857.17

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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.