Home / 161,865.96-223,391.35-93,903.72

Finding the Fourth Proportional to 161,865.96, 223,391.35 and 93,903.72

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Solution

The fourth proportional to 161,865.96, 223,391.35 and 93,903.72 is: 129,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,865.96 : 223,391.35 = 93,903.72 : x
  2. Step 2: Convert to fraction form
    161,865.96/223,391.35 = 93,903.72/x
  3. Step 3: Cross multiply
    161,865.96x = 223,391.35 × 93,903.72
  4. Step 4: Simplify right side
    161,865.96x = 20,977,278,780.82
  5. Step 5: Solve for x
    x = 20,977,278,780.82/161,865.96
  6. Step 6: Final answer
    x = 129,596.60

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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.