Home / 127,313.02-190,964.67-43,079.50

Finding the Fourth Proportional to 127,313.02, 190,964.67 and 43,079.50

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Solution

The fourth proportional to 127,313.02, 190,964.67 and 43,079.50 is: 64,617.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,313.02 : 190,964.67 = 43,079.50 : x
  2. Step 2: Convert to fraction form
    127,313.02/190,964.67 = 43,079.50/x
  3. Step 3: Cross multiply
    127,313.02x = 190,964.67 × 43,079.50
  4. Step 4: Simplify right side
    127,313.02x = 8,226,662,501.27
  5. Step 5: Solve for x
    x = 8,226,662,501.27/127,313.02
  6. Step 6: Final answer
    x = 64,617.61

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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.