Home / 287,593.23-396,861.22-158,526.06

Finding the Fourth Proportional to 287,593.23, 396,861.22 and 158,526.06

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Solution

The fourth proportional to 287,593.23, 396,861.22 and 158,526.06 is: 218,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,593.23 : 396,861.22 = 158,526.06 : x
  2. Step 2: Convert to fraction form
    287,593.23/396,861.22 = 158,526.06/x
  3. Step 3: Cross multiply
    287,593.23x = 396,861.22 × 158,526.06
  4. Step 4: Simplify right side
    287,593.23x = 62,912,846,515.67
  5. Step 5: Solve for x
    x = 62,912,846,515.67/287,593.23
  6. Step 6: Final answer
    x = 218,756.35

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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.