Home / 285,366.15-393,805.13-158,041.62

Finding the Fourth Proportional to 285,366.15, 393,805.13 and 158,041.62

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Solution

The fourth proportional to 285,366.15, 393,805.13 and 158,041.62 is: 218,097.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,366.15 : 393,805.13 = 158,041.62 : x
  2. Step 2: Convert to fraction form
    285,366.15/393,805.13 = 158,041.62/x
  3. Step 3: Cross multiply
    285,366.15x = 393,805.13 × 158,041.62
  4. Step 4: Simplify right side
    285,366.15x = 62,237,599,919.30
  5. Step 5: Solve for x
    x = 62,237,599,919.30/285,366.15
  6. Step 6: Final answer
    x = 218,097.35

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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.