Home / 117,145.48-161,672.34-66,852.04

Finding the Fourth Proportional to 117,145.48, 161,672.34 and 66,852.04

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Solution

The fourth proportional to 117,145.48, 161,672.34 and 66,852.04 is: 92,262.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,145.48 : 161,672.34 = 66,852.04 : x
  2. Step 2: Convert to fraction form
    117,145.48/161,672.34 = 66,852.04/x
  3. Step 3: Cross multiply
    117,145.48x = 161,672.34 × 66,852.04
  4. Step 4: Simplify right side
    117,145.48x = 10,808,125,740.57
  5. Step 5: Solve for x
    x = 10,808,125,740.57/117,145.48
  6. Step 6: Final answer
    x = 92,262.42

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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.