Home / 166,967.02-230,719.98-121,566.16

Finding the Fourth Proportional to 166,967.02, 230,719.98 and 121,566.16

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Solution

The fourth proportional to 166,967.02, 230,719.98 and 121,566.16 is: 167,983.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,967.02 : 230,719.98 = 121,566.16 : x
  2. Step 2: Convert to fraction form
    166,967.02/230,719.98 = 121,566.16/x
  3. Step 3: Cross multiply
    166,967.02x = 230,719.98 × 121,566.16
  4. Step 4: Simplify right side
    166,967.02x = 28,047,742,003.88
  5. Step 5: Solve for x
    x = 28,047,742,003.88/166,967.02
  6. Step 6: Final answer
    x = 167,983.73

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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.