Home / 142,967.56-197,166.06-89,257.48

Finding the Fourth Proportional to 142,967.56, 197,166.06 and 89,257.48

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Solution

The fourth proportional to 142,967.56, 197,166.06 and 89,257.48 is: 123,094.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,967.56 : 197,166.06 = 89,257.48 : x
  2. Step 2: Convert to fraction form
    142,967.56/197,166.06 = 89,257.48/x
  3. Step 3: Cross multiply
    142,967.56x = 197,166.06 × 89,257.48
  4. Step 4: Simplify right side
    142,967.56x = 17,598,545,657.13
  5. Step 5: Solve for x
    x = 17,598,545,657.13/142,967.56
  6. Step 6: Final answer
    x = 123,094.68

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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.