Home / 104,639.28-155,973.19-96,241.20

Finding the Fourth Proportional to 104,639.28, 155,973.19 and 96,241.20

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Solution

The fourth proportional to 104,639.28, 155,973.19 and 96,241.20 is: 143,455.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,639.28 : 155,973.19 = 96,241.20 : x
  2. Step 2: Convert to fraction form
    104,639.28/155,973.19 = 96,241.20/x
  3. Step 3: Cross multiply
    104,639.28x = 155,973.19 × 96,241.20
  4. Step 4: Simplify right side
    104,639.28x = 15,011,046,492.22
  5. Step 5: Solve for x
    x = 15,011,046,492.22/104,639.28
  6. Step 6: Final answer
    x = 143,455.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.