Home / 127,984.24-176,536.02-77,683.24

Finding the Fourth Proportional to 127,984.24, 176,536.02 and 77,683.24

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Solution

The fourth proportional to 127,984.24, 176,536.02 and 77,683.24 is: 107,152.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,984.24 : 176,536.02 = 77,683.24 : x
  2. Step 2: Convert to fraction form
    127,984.24/176,536.02 = 77,683.24/x
  3. Step 3: Cross multiply
    127,984.24x = 176,536.02 × 77,683.24
  4. Step 4: Simplify right side
    127,984.24x = 13,713,890,010.30
  5. Step 5: Solve for x
    x = 13,713,890,010.30/127,984.24
  6. Step 6: Final answer
    x = 107,152.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.