Home / 127,793.90-176,356.76-70,435.31

Finding the Fourth Proportional to 127,793.90, 176,356.76 and 70,435.31

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Solution

The fourth proportional to 127,793.90, 176,356.76 and 70,435.31 is: 97,201.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,793.90 : 176,356.76 = 70,435.31 : x
  2. Step 2: Convert to fraction form
    127,793.90/176,356.76 = 70,435.31/x
  3. Step 3: Cross multiply
    127,793.90x = 176,356.76 × 70,435.31
  4. Step 4: Simplify right side
    127,793.90x = 12,421,741,827.24
  5. Step 5: Solve for x
    x = 12,421,741,827.24/127,793.90
  6. Step 6: Final answer
    x = 97,201.37

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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.