Home / 285,350.04-393,786.36-158,027.76

Finding the Fourth Proportional to 285,350.04, 393,786.36 and 158,027.76

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Solution

The fourth proportional to 285,350.04, 393,786.36 and 158,027.76 is: 218,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,350.04 : 393,786.36 = 158,027.76 : x
  2. Step 2: Convert to fraction form
    285,350.04/393,786.36 = 158,027.76/x
  3. Step 3: Cross multiply
    285,350.04x = 393,786.36 × 158,027.76
  4. Step 4: Simplify right side
    285,350.04x = 62,229,176,389.35
  5. Step 5: Solve for x
    x = 62,229,176,389.35/285,350.04
  6. Step 6: Final answer
    x = 218,080.14

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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.