Home / 166,780.40-230,191.70-153,330.35

Finding the Fourth Proportional to 166,780.40, 230,191.70 and 153,330.35

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Solution

The fourth proportional to 166,780.40, 230,191.70 and 153,330.35 is: 211,627.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,780.40 : 230,191.70 = 153,330.35 : x
  2. Step 2: Convert to fraction form
    166,780.40/230,191.70 = 153,330.35/x
  3. Step 3: Cross multiply
    166,780.40x = 230,191.70 × 153,330.35
  4. Step 4: Simplify right side
    166,780.40x = 35,295,372,010.48
  5. Step 5: Solve for x
    x = 35,295,372,010.48/166,780.40
  6. Step 6: Final answer
    x = 211,627.82

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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.