Home / 285,628.07-394,167.06-158,303.77

Finding the Fourth Proportional to 285,628.07, 394,167.06 and 158,303.77

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Solution

The fourth proportional to 285,628.07, 394,167.06 and 158,303.77 is: 218,459.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,628.07 : 394,167.06 = 158,303.77 : x
  2. Step 2: Convert to fraction form
    285,628.07/394,167.06 = 158,303.77/x
  3. Step 3: Cross multiply
    285,628.07x = 394,167.06 × 158,303.77
  4. Step 4: Simplify right side
    285,628.07x = 62,398,130,622.40
  5. Step 5: Solve for x
    x = 62,398,130,622.40/285,628.07
  6. Step 6: Final answer
    x = 218,459.38

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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.