Home / 102,683.04-154,295.28-55,333.32

Finding the Fourth Proportional to 102,683.04, 154,295.28 and 55,333.32

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Solution

The fourth proportional to 102,683.04, 154,295.28 and 55,333.32 is: 83,145.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,683.04 : 154,295.28 = 55,333.32 : x
  2. Step 2: Convert to fraction form
    102,683.04/154,295.28 = 55,333.32/x
  3. Step 3: Cross multiply
    102,683.04x = 154,295.28 × 55,333.32
  4. Step 4: Simplify right side
    102,683.04x = 8,537,670,102.73
  5. Step 5: Solve for x
    x = 8,537,670,102.73/102,683.04
  6. Step 6: Final answer
    x = 83,145.86

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1.5x scale

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.