Home / 142,273.54-196,364.64-93,790.36

Finding the Fourth Proportional to 142,273.54, 196,364.64 and 93,790.36

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Solution

The fourth proportional to 142,273.54, 196,364.64 and 93,790.36 is: 129,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,273.54 : 196,364.64 = 93,790.36 : x
  2. Step 2: Convert to fraction form
    142,273.54/196,364.64 = 93,790.36/x
  3. Step 3: Cross multiply
    142,273.54x = 196,364.64 × 93,790.36
  4. Step 4: Simplify right side
    142,273.54x = 18,417,110,276.87
  5. Step 5: Solve for x
    x = 18,417,110,276.87/142,273.54
  6. Step 6: Final answer
    x = 129,448.60

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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.