Home / 148,432.50-204,849.81-81,377.46

Finding the Fourth Proportional to 148,432.50, 204,849.81 and 81,377.46

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Solution

The fourth proportional to 148,432.50, 204,849.81 and 81,377.46 is: 112,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,432.50 : 204,849.81 = 81,377.46 : x
  2. Step 2: Convert to fraction form
    148,432.50/204,849.81 = 81,377.46/x
  3. Step 3: Cross multiply
    148,432.50x = 204,849.81 × 81,377.46
  4. Step 4: Simplify right side
    148,432.50x = 16,670,157,219.28
  5. Step 5: Solve for x
    x = 16,670,157,219.28/148,432.50
  6. Step 6: Final answer
    x = 112,308.00

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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.