Home / 103,683.30-155,330.55-96,684.90

Finding the Fourth Proportional to 103,683.30, 155,330.55 and 96,684.90

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Solution

The fourth proportional to 103,683.30, 155,330.55 and 96,684.90 is: 144,846.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,683.30 : 155,330.55 = 96,684.90 : x
  2. Step 2: Convert to fraction form
    103,683.30/155,330.55 = 96,684.90/x
  3. Step 3: Cross multiply
    103,683.30x = 155,330.55 × 96,684.90
  4. Step 4: Simplify right side
    103,683.30x = 15,018,118,693.70
  5. Step 5: Solve for x
    x = 15,018,118,693.70/103,683.30
  6. Step 6: Final answer
    x = 144,846.07

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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.