Home / 142,754.40-197,097.30-127,598.49

Finding the Fourth Proportional to 142,754.40, 197,097.30 and 127,598.49

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Solution

The fourth proportional to 142,754.40, 197,097.30 and 127,598.49 is: 176,171.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,754.40 : 197,097.30 = 127,598.49 : x
  2. Step 2: Convert to fraction form
    142,754.40/197,097.30 = 127,598.49/x
  3. Step 3: Cross multiply
    142,754.40x = 197,097.30 × 127,598.49
  4. Step 4: Simplify right side
    142,754.40x = 25,149,317,863.08
  5. Step 5: Solve for x
    x = 25,149,317,863.08/142,754.40
  6. Step 6: Final answer
    x = 176,171.93

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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.