Home / 166,987.04-230,442.12-91,533.92

Finding the Fourth Proportional to 166,987.04, 230,442.12 and 91,533.92

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Solution

The fourth proportional to 166,987.04, 230,442.12 and 91,533.92 is: 126,316.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,987.04 : 230,442.12 = 91,533.92 : x
  2. Step 2: Convert to fraction form
    166,987.04/230,442.12 = 91,533.92/x
  3. Step 3: Cross multiply
    166,987.04x = 230,442.12 × 91,533.92
  4. Step 4: Simplify right side
    166,987.04x = 21,093,270,576.71
  5. Step 5: Solve for x
    x = 21,093,270,576.71/166,987.04
  6. Step 6: Final answer
    x = 126,316.81

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1.5x scale

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.