Home / 147,874.41-203,854.28-105,359.13

Finding the Fourth Proportional to 147,874.41, 203,854.28 and 105,359.13

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Solution

The fourth proportional to 147,874.41, 203,854.28 and 105,359.13 is: 145,244.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,874.41 : 203,854.28 = 105,359.13 : x
  2. Step 2: Convert to fraction form
    147,874.41/203,854.28 = 105,359.13/x
  3. Step 3: Cross multiply
    147,874.41x = 203,854.28 × 105,359.13
  4. Step 4: Simplify right side
    147,874.41x = 21,477,909,060.78
  5. Step 5: Solve for x
    x = 21,477,909,060.78/147,874.41
  6. Step 6: Final answer
    x = 145,244.26

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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.