Home / 166,572.60-229,869.47-90,091.77

Finding the Fourth Proportional to 166,572.60, 229,869.47 and 90,091.77

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Solution

The fourth proportional to 166,572.60, 229,869.47 and 90,091.77 is: 124,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,572.60 : 229,869.47 = 90,091.77 : x
  2. Step 2: Convert to fraction form
    166,572.60/229,869.47 = 90,091.77/x
  3. Step 3: Cross multiply
    166,572.60x = 229,869.47 × 90,091.77
  4. Step 4: Simplify right side
    166,572.60x = 20,709,347,421.26
  5. Step 5: Solve for x
    x = 20,709,347,421.26/166,572.60
  6. Step 6: Final answer
    x = 124,326.25

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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.