Home / 285,966.92-394,681.56-158,683.52

Finding the Fourth Proportional to 285,966.92, 394,681.56 and 158,683.52

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Solution

The fourth proportional to 285,966.92, 394,681.56 and 158,683.52 is: 219,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,966.92 : 394,681.56 = 158,683.52 : x
  2. Step 2: Convert to fraction form
    285,966.92/394,681.56 = 158,683.52/x
  3. Step 3: Cross multiply
    285,966.92x = 394,681.56 × 158,683.52
  4. Step 4: Simplify right side
    285,966.92x = 62,629,459,219.89
  5. Step 5: Solve for x
    x = 62,629,459,219.89/285,966.92
  6. Step 6: Final answer
    x = 219,009.45

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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.