Home / 285,282.04-427,990.60-93,155.52

Finding the Fourth Proportional to 285,282.04, 427,990.60 and 93,155.52

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Solution

The fourth proportional to 285,282.04, 427,990.60 and 93,155.52 is: 139,755.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,282.04 : 427,990.60 = 93,155.52 : x
  2. Step 2: Convert to fraction form
    285,282.04/427,990.60 = 93,155.52/x
  3. Step 3: Cross multiply
    285,282.04x = 427,990.60 × 93,155.52
  4. Step 4: Simplify right side
    285,282.04x = 39,869,686,898.11
  5. Step 5: Solve for x
    x = 39,869,686,898.11/285,282.04
  6. Step 6: Final answer
    x = 139,755.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.