Home / 166,563.18-229,862.61-91,111.68

Finding the Fourth Proportional to 166,563.18, 229,862.61 and 91,111.68

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Solution

The fourth proportional to 166,563.18, 229,862.61 and 91,111.68 is: 125,737.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,563.18 : 229,862.61 = 91,111.68 : x
  2. Step 2: Convert to fraction form
    166,563.18/229,862.61 = 91,111.68/x
  3. Step 3: Cross multiply
    166,563.18x = 229,862.61 × 91,111.68
  4. Step 4: Simplify right side
    166,563.18x = 20,943,168,566.28
  5. Step 5: Solve for x
    x = 20,943,168,566.28/166,563.18
  6. Step 6: Final answer
    x = 125,737.08

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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.