Home / 103,684.10-155,353.35-97,463.30

Finding the Fourth Proportional to 103,684.10, 155,353.35 and 97,463.30

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Solution

The fourth proportional to 103,684.10, 155,353.35 and 97,463.30 is: 146,032.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,684.10 : 155,353.35 = 97,463.30 : x
  2. Step 2: Convert to fraction form
    103,684.10/155,353.35 = 97,463.30/x
  3. Step 3: Cross multiply
    103,684.10x = 155,353.35 × 97,463.30
  4. Step 4: Simplify right side
    103,684.10x = 15,141,250,157.06
  5. Step 5: Solve for x
    x = 15,141,250,157.06/103,684.10
  6. Step 6: Final answer
    x = 146,032.52

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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.