Home / 134,881.86-186,206.92-98,542.50

Finding the Fourth Proportional to 134,881.86, 186,206.92 and 98,542.50

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Solution

The fourth proportional to 134,881.86, 186,206.92 and 98,542.50 is: 136,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,881.86 : 186,206.92 = 98,542.50 : x
  2. Step 2: Convert to fraction form
    134,881.86/186,206.92 = 98,542.50/x
  3. Step 3: Cross multiply
    134,881.86x = 186,206.92 × 98,542.50
  4. Step 4: Simplify right side
    134,881.86x = 18,349,295,414.10
  5. Step 5: Solve for x
    x = 18,349,295,414.10/134,881.86
  6. Step 6: Final answer
    x = 136,039.76

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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.