Home / 147,010.17-202,890.39-82,490.02

Finding the Fourth Proportional to 147,010.17, 202,890.39 and 82,490.02

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Solution

The fourth proportional to 147,010.17, 202,890.39 and 82,490.02 is: 113,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,010.17 : 202,890.39 = 82,490.02 : x
  2. Step 2: Convert to fraction form
    147,010.17/202,890.39 = 82,490.02/x
  3. Step 3: Cross multiply
    147,010.17x = 202,890.39 × 82,490.02
  4. Step 4: Simplify right side
    147,010.17x = 16,736,432,328.91
  5. Step 5: Solve for x
    x = 16,736,432,328.91/147,010.17
  6. Step 6: Final answer
    x = 113,845.40

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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.