Home / 131,100.54-196,471.38-99,053.28

Finding the Fourth Proportional to 131,100.54, 196,471.38 and 99,053.28

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Solution

The fourth proportional to 131,100.54, 196,471.38 and 99,053.28 is: 148,444.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,100.54 : 196,471.38 = 99,053.28 : x
  2. Step 2: Convert to fraction form
    131,100.54/196,471.38 = 99,053.28/x
  3. Step 3: Cross multiply
    131,100.54x = 196,471.38 × 99,053.28
  4. Step 4: Simplify right side
    131,100.54x = 19,461,134,615.13
  5. Step 5: Solve for x
    x = 19,461,134,615.13/131,100.54
  6. Step 6: Final answer
    x = 148,444.35

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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.