Home / 163,066.90-224,936.85-102,541.78

Finding the Fourth Proportional to 163,066.90, 224,936.85 and 102,541.78

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Solution

The fourth proportional to 163,066.90, 224,936.85 and 102,541.78 is: 141,447.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,066.90 : 224,936.85 = 102,541.78 : x
  2. Step 2: Convert to fraction form
    163,066.90/224,936.85 = 102,541.78/x
  3. Step 3: Cross multiply
    163,066.90x = 224,936.85 × 102,541.78
  4. Step 4: Simplify right side
    163,066.90x = 23,065,424,986.59
  5. Step 5: Solve for x
    x = 23,065,424,986.59/163,066.90
  6. Step 6: Final answer
    x = 141,447.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.