Home / 131,701.07-181,746.08-71,270.37

Finding the Fourth Proportional to 131,701.07, 181,746.08 and 71,270.37

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Solution

The fourth proportional to 131,701.07, 181,746.08 and 71,270.37 is: 98,352.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,701.07 : 181,746.08 = 71,270.37 : x
  2. Step 2: Convert to fraction form
    131,701.07/181,746.08 = 71,270.37/x
  3. Step 3: Cross multiply
    131,701.07x = 181,746.08 × 71,270.37
  4. Step 4: Simplify right side
    131,701.07x = 12,953,110,011.30
  5. Step 5: Solve for x
    x = 12,953,110,011.30/131,701.07
  6. Step 6: Final answer
    x = 98,352.36

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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.