Home / 285,614.04-394,150.68-158,291.76

Finding the Fourth Proportional to 285,614.04, 394,150.68 and 158,291.76

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Solution

The fourth proportional to 285,614.04, 394,150.68 and 158,291.76 is: 218,444.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,614.04 : 394,150.68 = 158,291.76 : x
  2. Step 2: Convert to fraction form
    285,614.04/394,150.68 = 158,291.76/x
  3. Step 3: Cross multiply
    285,614.04x = 394,150.68 × 158,291.76
  4. Step 4: Simplify right side
    285,614.04x = 62,390,804,842.40
  5. Step 5: Solve for x
    x = 62,390,804,842.40/285,614.04
  6. Step 6: Final answer
    x = 218,444.46

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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.