Home / 153,515.96-230,305-64,769.66

Finding the Fourth Proportional to 153,515.96, 230,305 and 64,769.66

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Solution

The fourth proportional to 153,515.96, 230,305 and 64,769.66 is: 97,167.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,515.96 : 230,305 = 64,769.66 : x
  2. Step 2: Convert to fraction form
    153,515.96/230,305 = 64,769.66/x
  3. Step 3: Cross multiply
    153,515.96x = 230,305 × 64,769.66
  4. Step 4: Simplify right side
    153,515.96x = 14,916,776,546.30
  5. Step 5: Solve for x
    x = 14,916,776,546.30/153,515.96
  6. Step 6: Final answer
    x = 97,167.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.